diff --git a/IntelFrameworkPkg/Library/PeiHobLibFramework/HobLib.c b/IntelFrameworkPkg/Library/PeiHobLibFramework/HobLib.c
index 1e8b85cb2e..183ed99542 100644
--- a/IntelFrameworkPkg/Library/PeiHobLibFramework/HobLib.c
+++ b/IntelFrameworkPkg/Library/PeiHobLibFramework/HobLib.c
@@ -480,6 +480,7 @@ BuildFv2Hob (
   It can only be invoked during PEI phase;
   for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
   
+  If the platform does not support Capsule Volume HOBs, then ASSERT().
   If there is no additional space for HOB creation, then ASSERT().
 
   @param  BaseAddress   The base address of the Capsule Volume.