diff --git a/llvm/include/llvm/Support/Format.h b/llvm/include/llvm/Support/Format.h
index 74358560bc88..2ab097faf56d 100644
--- a/llvm/include/llvm/Support/Format.h
+++ b/llvm/include/llvm/Support/Format.h
@@ -1,4 +1,4 @@
-//===--- Format.h - Efficient printf-style formatting for streams etc -----===//
+//===- Format.h - Efficient printf-style formatting for streams -*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //