diff --git a/misc/config_tools/configurator/packages/configurator/src/pages/Config/ConfigForm/CustomWidget/CAT.vue b/misc/config_tools/configurator/packages/configurator/src/pages/Config/ConfigForm/CustomWidget/CAT.vue
index 842e9b93a..a73f4ac87 100644
--- a/misc/config_tools/configurator/packages/configurator/src/pages/Config/ConfigForm/CustomWidget/CAT.vue
+++ b/misc/config_tools/configurator/packages/configurator/src/pages/Config/ConfigForm/CustomWidget/CAT.vue
@@ -69,7 +69,7 @@
           L{{ CACHE_ALLOCATION.level }} Cache Allocation Technology {{
             cat_level_region_sum[CACHE_ALLOCATION.level].count > 1 ? ' Module ' + cat_level_region_sum[CACHE_ALLOCATION.level][CACHE_ALLOCATION.id] : ''
           }}
-          (pCPU : {{ Math.min(...CACHE_ALLOCATION.processors) }}~{{ Math.max(...CACHE_ALLOCATION.processors) }})
+          (requires CPU affinity to cores {{ Math.min(...CACHE_ALLOCATION.processors) }}~{{ Math.max(...CACHE_ALLOCATION.processors) }} in each desired VM)
         </text>
         <b-button @click="setDefaultClosMask(CACHE_ALLOCATION)">
           Apply basic real-time defaults
@@ -734,4 +734,4 @@ export default {
   align-items: center;
   gap: 8px;
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/misc/config_tools/schema/VMtypes.xsd b/misc/config_tools/schema/VMtypes.xsd
index b9259377e..9cd67bc54 100644
--- a/misc/config_tools/schema/VMtypes.xsd
+++ b/misc/config_tools/schema/VMtypes.xsd
@@ -44,7 +44,7 @@
 
 <xs:complexType name="CPUAffinityConfiguration">
   <xs:all>
-    <xs:element name="pcpu_id" type="xs:integer" default="2">
+    <xs:element name="pcpu_id" type="xs:integer">
       <xs:annotation acrn:title="pCPU ID"
 		     acrn:options="//processors//thread/cpu_id/text()" acrn:options-sorted-by="int">
         <xs:documentation>ID of the pCPU that this VM's vCPU is allowed to pin to.</xs:documentation>