diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
index e863cbf4d6..5cb1a20cf9 100644
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -1,4 +1,4 @@
-##  @file  MdePkg.dec
+## @file  MdePkg.dec
 #
 # This Package provides all definitions(including functions, MACROs, structures and library classes)
 # and libraries instances, which are defined in MDE Specification.