diff --git a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
index 3aef1af760..7b7e6af784 100644
--- a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
+++ b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
@@ -275,11 +275,14 @@ GetImageType (
 /**
   Calculate hash of Pe/Coff image based on the authenticode image hashing in
   PE/COFF Specification 8.0 Appendix A
-
+  
   Caution: This function may receive untrusted input.
   PE/COFF image is external input, so this function will validate its data structure
   within this image buffer before use.
 
+  Notes: PE/COFF image has been checked by BasePeCoffLib PeCoffLoaderGetImageInfo() in 
+  its caller function DxeImageVerificationHandler().
+
   @param[in]    HashAlg   Hash algorithm type.
 
   @retval TRUE            Successfully hash image.