diff --git a/misc/config_tools/schema/checks/rdt_support.xsd b/misc/config_tools/schema/checks/rdt_support.xsd
index 93ba3f91f..a42a3ce2f 100644
--- a/misc/config_tools/schema/checks/rdt_support.xsd
+++ b/misc/config_tools/schema/checks/rdt_support.xsd
@@ -11,6 +11,14 @@
+
+
+ Code and Data Prioritization can only be opened when all L2 and L3 cache region has 'CDP' capability.
+
+
+