diff --git a/tools/llvm-readobj/ObjDumper.h b/tools/llvm-readobj/ObjDumper.h
index 5ecf0ec3d6f..ad1b70fea98 100644
--- a/tools/llvm-readobj/ObjDumper.h
+++ b/tools/llvm-readobj/ObjDumper.h
@@ -1,4 +1,4 @@
-//===-- ObjDumper.h -------------------------------------------------------===//
+//===-- ObjDumper.h ---------------------------------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //