diff --git a/lib/Lex/MacroArgs.cpp b/lib/Lex/MacroArgs.cpp
index d6d23d5649d58364f56380467f70905ea48c378b..82c627a1f9418b519e8bdc4cf28ec370ae84109a 100644
--- a/lib/Lex/MacroArgs.cpp
+++ b/lib/Lex/MacroArgs.cpp
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file implements the TokenLexer interface.
+// This file implements the MacroArgs interface.
 //
 //===----------------------------------------------------------------------===//