diff --git a/staging/src/k8s.io/api/apps/v1/types.go b/staging/src/k8s.io/api/apps/v1/types.go
index e541d63d79e..d94f90b4c79 100644
--- a/staging/src/k8s.io/api/apps/v1/types.go
+++ b/staging/src/k8s.io/api/apps/v1/types.go
@@ -831,7 +831,7 @@ type ReplicaSetSpec struct {
 
 // ReplicaSetStatus represents the current status of a ReplicaSet.
 type ReplicaSetStatus struct {
-	// Replicas is the most recently oberved number of replicas.
+	// Replicas is the most recently observed number of replicas.
 	// More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/#what-is-a-replicationcontroller
 	Replicas int32 `json:"replicas" protobuf:"varint,1,opt,name=replicas"`
 
diff --git a/staging/src/k8s.io/api/apps/v1beta2/types.go b/staging/src/k8s.io/api/apps/v1beta2/types.go
index 4e21bb267e1..31a2966fd97 100644
--- a/staging/src/k8s.io/api/apps/v1beta2/types.go
+++ b/staging/src/k8s.io/api/apps/v1beta2/types.go
@@ -899,7 +899,7 @@ type ReplicaSetSpec struct {
 
 // ReplicaSetStatus represents the current status of a ReplicaSet.
 type ReplicaSetStatus struct {
-	// Replicas is the most recently oberved number of replicas.
+	// Replicas is the most recently observed number of replicas.
 	// More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/#what-is-a-replicationcontroller
 	Replicas int32 `json:"replicas" protobuf:"varint,1,opt,name=replicas"`
 
diff --git a/staging/src/k8s.io/api/core/v1/types.go b/staging/src/k8s.io/api/core/v1/types.go
index f643bd80954..36d613c5b32 100644
--- a/staging/src/k8s.io/api/core/v1/types.go
+++ b/staging/src/k8s.io/api/core/v1/types.go
@@ -4065,7 +4065,7 @@ type ReplicationControllerSpec struct {
 // ReplicationControllerStatus represents the current status of a replication
 // controller.
 type ReplicationControllerStatus struct {
-	// Replicas is the most recently oberved number of replicas.
+	// Replicas is the most recently observed number of replicas.
 	// More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#what-is-a-replicationcontroller
 	Replicas int32 `json:"replicas" protobuf:"varint,1,opt,name=replicas"`
 
diff --git a/staging/src/k8s.io/api/extensions/v1beta1/types.go b/staging/src/k8s.io/api/extensions/v1beta1/types.go
index 0674dae8b33..eefb9745c2a 100644
--- a/staging/src/k8s.io/api/extensions/v1beta1/types.go
+++ b/staging/src/k8s.io/api/extensions/v1beta1/types.go
@@ -920,7 +920,7 @@ type ReplicaSetSpec struct {
 
 // ReplicaSetStatus represents the current status of a ReplicaSet.
 type ReplicaSetStatus struct {
-	// Replicas is the most recently oberved number of replicas.
+	// Replicas is the most recently observed number of replicas.
 	// More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/#what-is-a-replicationcontroller
 	Replicas int32 `json:"replicas" protobuf:"varint,1,opt,name=replicas"`