diff --git a/EdkCompatibilityPkg/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrLibrary.h b/EdkCompatibilityPkg/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrLibrary.h
index 9c65215724..4ad79520c5 100644
--- a/EdkCompatibilityPkg/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrLibrary.h
+++ b/EdkCompatibilityPkg/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrLibrary.h
@@ -911,7 +911,7 @@ GetSupportedLanguages (
 
 Routine Description:
   This function returns the list of supported languages, in the format specified
-  in UEFI specification Appendix M.
+  in UEFI specification Appendix M.
 
 Arguments:
   HiiHandle  - The HII package list handle.
diff --git a/EdkCompatibilityPkg/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrString.c b/EdkCompatibilityPkg/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrString.c
index 5289992699..74ca418825 100644
--- a/EdkCompatibilityPkg/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrString.c
+++ b/EdkCompatibilityPkg/Foundation/Library/Dxe/UefiEfiIfrSupportLib/UefiIfrString.c
@@ -337,7 +337,7 @@ GetSupportedLanguages (
 
 Routine Description:
   This function returns the list of supported languages, in the format specified
-  in UEFI specification Appendix M.
+  in UEFI specification Appendix M.
 
 Arguments:
   HiiHandle  - The HII package list handle.