diff --git a/api/openapi-spec/swagger.json b/api/openapi-spec/swagger.json
index 767f4a32f0c..e0e384fa8de 100644
--- a/api/openapi-spec/swagger.json
+++ b/api/openapi-spec/swagger.json
@@ -75232,6 +75232,9 @@
    },
    "io.k8s.api.core.v1.PodAffinityTerm": {
     "description": "Defines a set of pods (namely those matching the labelSelector relative to the given namespace(s)) that this pod should be co-located (affinity) or not co-located (anti-affinity) with, where co-located is defined as running on a node whose value of the label with key \u003ctopologyKey\u003e matches that of any node on which a pod of the set of pods is running",
+    "required": [
+     "topologyKey"
+    ],
     "properties": {
      "labelSelector": {
       "description": "A label query over a set of resources, in this case pods.",
@@ -75245,7 +75248,7 @@
       }
      },
      "topologyKey": {
-      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as \"all topologies\" (\"all topologies\" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.",
+      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed.",
       "type": "string"
      }
     }
diff --git a/api/swagger-spec/apps_v1.json b/api/swagger-spec/apps_v1.json
index 369fd6faf54..f4004bfdabe 100644
--- a/api/swagger-spec/apps_v1.json
+++ b/api/swagger-spec/apps_v1.json
@@ -8477,6 +8477,9 @@
    "v1.PodAffinityTerm": {
     "id": "v1.PodAffinityTerm",
     "description": "Defines a set of pods (namely those matching the labelSelector relative to the given namespace(s)) that this pod should be co-located (affinity) or not co-located (anti-affinity) with, where co-located is defined as running on a node whose value of the label with key \u003ctopologyKey\u003e matches that of any node on which a pod of the set of pods is running",
+    "required": [
+     "topologyKey"
+    ],
     "properties": {
      "labelSelector": {
       "$ref": "v1.LabelSelector",
@@ -8491,7 +8494,7 @@
      },
      "topologyKey": {
       "type": "string",
-      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as \"all topologies\" (\"all topologies\" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed."
+      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed."
      }
     }
    },
diff --git a/api/swagger-spec/apps_v1beta1.json b/api/swagger-spec/apps_v1beta1.json
index ff654027509..10c2c6d6154 100644
--- a/api/swagger-spec/apps_v1beta1.json
+++ b/api/swagger-spec/apps_v1beta1.json
@@ -6112,6 +6112,9 @@
    "v1.PodAffinityTerm": {
     "id": "v1.PodAffinityTerm",
     "description": "Defines a set of pods (namely those matching the labelSelector relative to the given namespace(s)) that this pod should be co-located (affinity) or not co-located (anti-affinity) with, where co-located is defined as running on a node whose value of the label with key \u003ctopologyKey\u003e matches that of any node on which a pod of the set of pods is running",
+    "required": [
+     "topologyKey"
+    ],
     "properties": {
      "labelSelector": {
       "$ref": "v1.LabelSelector",
@@ -6126,7 +6129,7 @@
      },
      "topologyKey": {
       "type": "string",
-      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as \"all topologies\" (\"all topologies\" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed."
+      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed."
      }
     }
    },
diff --git a/api/swagger-spec/apps_v1beta2.json b/api/swagger-spec/apps_v1beta2.json
index 61ebc1d963a..8108a100106 100644
--- a/api/swagger-spec/apps_v1beta2.json
+++ b/api/swagger-spec/apps_v1beta2.json
@@ -8477,6 +8477,9 @@
    "v1.PodAffinityTerm": {
     "id": "v1.PodAffinityTerm",
     "description": "Defines a set of pods (namely those matching the labelSelector relative to the given namespace(s)) that this pod should be co-located (affinity) or not co-located (anti-affinity) with, where co-located is defined as running on a node whose value of the label with key \u003ctopologyKey\u003e matches that of any node on which a pod of the set of pods is running",
+    "required": [
+     "topologyKey"
+    ],
     "properties": {
      "labelSelector": {
       "$ref": "v1.LabelSelector",
@@ -8491,7 +8494,7 @@
      },
      "topologyKey": {
       "type": "string",
-      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as \"all topologies\" (\"all topologies\" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed."
+      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed."
      }
     }
    },
diff --git a/api/swagger-spec/batch_v1.json b/api/swagger-spec/batch_v1.json
index be6ea962b86..4baf3b1a6f7 100644
--- a/api/swagger-spec/batch_v1.json
+++ b/api/swagger-spec/batch_v1.json
@@ -3452,6 +3452,9 @@
    "v1.PodAffinityTerm": {
     "id": "v1.PodAffinityTerm",
     "description": "Defines a set of pods (namely those matching the labelSelector relative to the given namespace(s)) that this pod should be co-located (affinity) or not co-located (anti-affinity) with, where co-located is defined as running on a node whose value of the label with key \u003ctopologyKey\u003e matches that of any node on which a pod of the set of pods is running",
+    "required": [
+     "topologyKey"
+    ],
     "properties": {
      "labelSelector": {
       "$ref": "v1.LabelSelector",
@@ -3466,7 +3469,7 @@
      },
      "topologyKey": {
       "type": "string",
-      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as \"all topologies\" (\"all topologies\" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed."
+      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed."
      }
     }
    },
diff --git a/api/swagger-spec/batch_v1beta1.json b/api/swagger-spec/batch_v1beta1.json
index 28b691322f4..d6463d9bdc1 100644
--- a/api/swagger-spec/batch_v1beta1.json
+++ b/api/swagger-spec/batch_v1beta1.json
@@ -3507,6 +3507,9 @@
    "v1.PodAffinityTerm": {
     "id": "v1.PodAffinityTerm",
     "description": "Defines a set of pods (namely those matching the labelSelector relative to the given namespace(s)) that this pod should be co-located (affinity) or not co-located (anti-affinity) with, where co-located is defined as running on a node whose value of the label with key \u003ctopologyKey\u003e matches that of any node on which a pod of the set of pods is running",
+    "required": [
+     "topologyKey"
+    ],
     "properties": {
      "labelSelector": {
       "$ref": "v1.LabelSelector",
@@ -3521,7 +3524,7 @@
      },
      "topologyKey": {
       "type": "string",
-      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as \"all topologies\" (\"all topologies\" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed."
+      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed."
      }
     }
    },
diff --git a/api/swagger-spec/batch_v2alpha1.json b/api/swagger-spec/batch_v2alpha1.json
index 17c96621abf..9c8b2ee61d1 100644
--- a/api/swagger-spec/batch_v2alpha1.json
+++ b/api/swagger-spec/batch_v2alpha1.json
@@ -3507,6 +3507,9 @@
    "v1.PodAffinityTerm": {
     "id": "v1.PodAffinityTerm",
     "description": "Defines a set of pods (namely those matching the labelSelector relative to the given namespace(s)) that this pod should be co-located (affinity) or not co-located (anti-affinity) with, where co-located is defined as running on a node whose value of the label with key \u003ctopologyKey\u003e matches that of any node on which a pod of the set of pods is running",
+    "required": [
+     "topologyKey"
+    ],
     "properties": {
      "labelSelector": {
       "$ref": "v1.LabelSelector",
@@ -3521,7 +3524,7 @@
      },
      "topologyKey": {
       "type": "string",
-      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as \"all topologies\" (\"all topologies\" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed."
+      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed."
      }
     }
    },
diff --git a/api/swagger-spec/extensions_v1beta1.json b/api/swagger-spec/extensions_v1beta1.json
index a918ea64398..66177ee660f 100644
--- a/api/swagger-spec/extensions_v1beta1.json
+++ b/api/swagger-spec/extensions_v1beta1.json
@@ -9120,6 +9120,9 @@
    "v1.PodAffinityTerm": {
     "id": "v1.PodAffinityTerm",
     "description": "Defines a set of pods (namely those matching the labelSelector relative to the given namespace(s)) that this pod should be co-located (affinity) or not co-located (anti-affinity) with, where co-located is defined as running on a node whose value of the label with key \u003ctopologyKey\u003e matches that of any node on which a pod of the set of pods is running",
+    "required": [
+     "topologyKey"
+    ],
     "properties": {
      "labelSelector": {
       "$ref": "v1.LabelSelector",
@@ -9134,7 +9137,7 @@
      },
      "topologyKey": {
       "type": "string",
-      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as \"all topologies\" (\"all topologies\" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed."
+      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed."
      }
     }
    },
diff --git a/api/swagger-spec/v1.json b/api/swagger-spec/v1.json
index facd3055323..de18ce7a9d5 100644
--- a/api/swagger-spec/v1.json
+++ b/api/swagger-spec/v1.json
@@ -22760,6 +22760,9 @@
    "v1.PodAffinityTerm": {
     "id": "v1.PodAffinityTerm",
     "description": "Defines a set of pods (namely those matching the labelSelector relative to the given namespace(s)) that this pod should be co-located (affinity) or not co-located (anti-affinity) with, where co-located is defined as running on a node whose value of the label with key \u003ctopologyKey\u003e matches that of any node on which a pod of the set of pods is running",
+    "required": [
+     "topologyKey"
+    ],
     "properties": {
      "labelSelector": {
       "$ref": "v1.LabelSelector",
@@ -22774,7 +22777,7 @@
      },
      "topologyKey": {
       "type": "string",
-      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as \"all topologies\" (\"all topologies\" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed."
+      "description": "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed."
      }
     }
    },
diff --git a/docs/api-reference/apps/v1/definitions.html b/docs/api-reference/apps/v1/definitions.html
index d9acdef7007..a2e9a204568 100755
--- a/docs/api-reference/apps/v1/definitions.html
+++ b/docs/api-reference/apps/v1/definitions.html
@@ -2133,8 +2133,8 @@ When an object is created, the system will populate this list with the current s
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">topologyKey</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as "all topologies" ("all topologies" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
 <td class="tableblock halign-left valign-top"></td>
 </tr>
diff --git a/docs/api-reference/apps/v1beta1/definitions.html b/docs/api-reference/apps/v1beta1/definitions.html
index 13f49d9f317..6f2939cf3c9 100755
--- a/docs/api-reference/apps/v1beta1/definitions.html
+++ b/docs/api-reference/apps/v1beta1/definitions.html
@@ -2148,8 +2148,8 @@ When an object is created, the system will populate this list with the current s
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">topologyKey</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as "all topologies" ("all topologies" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
 <td class="tableblock halign-left valign-top"></td>
 </tr>
diff --git a/docs/api-reference/apps/v1beta2/definitions.html b/docs/api-reference/apps/v1beta2/definitions.html
index cbc0dd46e38..41e981618f0 100755
--- a/docs/api-reference/apps/v1beta2/definitions.html
+++ b/docs/api-reference/apps/v1beta2/definitions.html
@@ -2550,8 +2550,8 @@ When an object is created, the system will populate this list with the current s
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">topologyKey</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as "all topologies" ("all topologies" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
 <td class="tableblock halign-left valign-top"></td>
 </tr>
diff --git a/docs/api-reference/batch/v1/definitions.html b/docs/api-reference/batch/v1/definitions.html
index 449340a6a7f..4bb09de4cee 100755
--- a/docs/api-reference/batch/v1/definitions.html
+++ b/docs/api-reference/batch/v1/definitions.html
@@ -1731,8 +1731,8 @@ When an object is created, the system will populate this list with the current s
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">topologyKey</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as "all topologies" ("all topologies" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
 <td class="tableblock halign-left valign-top"></td>
 </tr>
diff --git a/docs/api-reference/batch/v1beta1/definitions.html b/docs/api-reference/batch/v1beta1/definitions.html
index 14b0d0f9e05..eda9b9acc19 100755
--- a/docs/api-reference/batch/v1beta1/definitions.html
+++ b/docs/api-reference/batch/v1beta1/definitions.html
@@ -1772,8 +1772,8 @@ When an object is created, the system will populate this list with the current s
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">topologyKey</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as "all topologies" ("all topologies" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
 <td class="tableblock halign-left valign-top"></td>
 </tr>
diff --git a/docs/api-reference/batch/v2alpha1/definitions.html b/docs/api-reference/batch/v2alpha1/definitions.html
index 679989c8900..43432ec8568 100755
--- a/docs/api-reference/batch/v2alpha1/definitions.html
+++ b/docs/api-reference/batch/v2alpha1/definitions.html
@@ -1731,8 +1731,8 @@ When an object is created, the system will populate this list with the current s
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">topologyKey</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as "all topologies" ("all topologies" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
 <td class="tableblock halign-left valign-top"></td>
 </tr>
diff --git a/docs/api-reference/extensions/v1beta1/definitions.html b/docs/api-reference/extensions/v1beta1/definitions.html
index 945022fc4c1..c2d1fde1117 100755
--- a/docs/api-reference/extensions/v1beta1/definitions.html
+++ b/docs/api-reference/extensions/v1beta1/definitions.html
@@ -2758,8 +2758,8 @@ When an object is created, the system will populate this list with the current s
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">topologyKey</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as "all topologies" ("all topologies" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
 <td class="tableblock halign-left valign-top"></td>
 </tr>
diff --git a/docs/api-reference/v1/definitions.html b/docs/api-reference/v1/definitions.html
index 0c52ab9a122..b4770591dd4 100755
--- a/docs/api-reference/v1/definitions.html
+++ b/docs/api-reference/v1/definitions.html
@@ -2911,8 +2911,8 @@ When an object is created, the system will populate this list with the current s
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">topologyKey</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as "all topologies" ("all topologies" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed.</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">true</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">string</p></td>
 <td class="tableblock halign-left valign-top"></td>
 </tr>
diff --git a/staging/src/k8s.io/api/core/v1/generated.proto b/staging/src/k8s.io/api/core/v1/generated.proto
index 00e64a37e40..e9c513a8ce5 100644
--- a/staging/src/k8s.io/api/core/v1/generated.proto
+++ b/staging/src/k8s.io/api/core/v1/generated.proto
@@ -2493,10 +2493,7 @@ message PodAffinityTerm {
   // the labelSelector in the specified namespaces, where co-located is defined as running on a node
   // whose value of the label with key topologyKey matches that of any node on which any of the
   // selected pods is running.
-  // For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as "all topologies"
-  // ("all topologies" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains);
-  // for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.
-  // +optional
+  // Empty topologyKey is not allowed.
   optional string topologyKey = 3;
 }
 
diff --git a/staging/src/k8s.io/api/core/v1/types.go b/staging/src/k8s.io/api/core/v1/types.go
index 76755b91b1e..6d9ee611f0e 100644
--- a/staging/src/k8s.io/api/core/v1/types.go
+++ b/staging/src/k8s.io/api/core/v1/types.go
@@ -2486,11 +2486,8 @@ type PodAffinityTerm struct {
 	// the labelSelector in the specified namespaces, where co-located is defined as running on a node
 	// whose value of the label with key topologyKey matches that of any node on which any of the
 	// selected pods is running.
-	// For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as "all topologies"
-	// ("all topologies" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains);
-	// for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.
-	// +optional
-	TopologyKey string `json:"topologyKey,omitempty" protobuf:"bytes,3,opt,name=topologyKey"`
+	// Empty topologyKey is not allowed.
+	TopologyKey string `json:"topologyKey" protobuf:"bytes,3,opt,name=topologyKey"`
 }
 
 // Node affinity is a group of node affinity scheduling rules.
diff --git a/staging/src/k8s.io/api/core/v1/types_swagger_doc_generated.go b/staging/src/k8s.io/api/core/v1/types_swagger_doc_generated.go
index 0de3e2d51a8..ef037c922cb 100644
--- a/staging/src/k8s.io/api/core/v1/types_swagger_doc_generated.go
+++ b/staging/src/k8s.io/api/core/v1/types_swagger_doc_generated.go
@@ -1278,7 +1278,7 @@ var map_PodAffinityTerm = map[string]string{
 	"":              "Defines a set of pods (namely those matching the labelSelector relative to the given namespace(s)) that this pod should be co-located (affinity) or not co-located (anti-affinity) with, where co-located is defined as running on a node whose value of the label with key <topologyKey> matches that of any node on which a pod of the set of pods is running",
 	"labelSelector": "A label query over a set of resources, in this case pods.",
 	"namespaces":    "namespaces specifies which namespaces the labelSelector applies to (matches against); null or empty list means \"this pod's namespace\"",
-	"topologyKey":   "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. For PreferredDuringScheduling pod anti-affinity, empty topologyKey is interpreted as \"all topologies\" (\"all topologies\" here means all the topologyKeys indicated by scheduler command-line argument --failure-domains); for affinity and for RequiredDuringScheduling pod anti-affinity, empty topologyKey is not allowed.",
+	"topologyKey":   "This pod should be co-located (affinity) or not co-located (anti-affinity) with the pods matching the labelSelector in the specified namespaces, where co-located is defined as running on a node whose value of the label with key topologyKey matches that of any node on which any of the selected pods is running. Empty topologyKey is not allowed.",
 }
 
 func (PodAffinityTerm) SwaggerDoc() map[string]string {