diff --git a/MdeModulePkg/Core/Dxe/Misc/MemoryProtection.c b/MdeModulePkg/Core/Dxe/Misc/MemoryProtection.c
index 93f96f0c95..a73c4ccd64 100644
--- a/MdeModulePkg/Core/Dxe/Misc/MemoryProtection.c
+++ b/MdeModulePkg/Core/Dxe/Misc/MemoryProtection.c
@@ -384,7 +384,7 @@ FreeImageRecord (
 }
 
 /**
-  Protect UEFI PE/COFF image
+  Protect UEFI PE/COFF image.
 
   @param[in]  LoadedImage              The loaded image protocol
   @param[in]  LoadedImageDevicePath    The loaded image device path protocol