diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index b3ada524e3..30c3d9633b 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -421,7 +421,7 @@
   gEfiMdeModulePkgTokenSpaceGuid.PcdMaxSizeNonPopulateCapsule|0xa00000|UINT32|0x0001001f
 
   ## Null-terminated Unicode string of the firmware vendor name that is default name filled into the EFI System Table
-  gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareVendor|L"EDK II"|VOID*|0xx00010050
+  gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareVendor|L"EDK II"|VOID*|0x00010050
 
   ## Firmware revision that is default value filled into the EFI System Table
   gEfiMdeModulePkgTokenSpaceGuid.PcdFirmwareRevision|0x00010000|UINT32|0x00010051