diff --git a/llvm/include/llvm/Transforms/Utils/CmpInstAnalysis.h b/llvm/include/llvm/Transforms/Utils/CmpInstAnalysis.h
index 488d7a59d329..22469e0593f9 100644
--- a/llvm/include/llvm/Transforms/Utils/CmpInstAnalysis.h
+++ b/llvm/include/llvm/Transforms/Utils/CmpInstAnalysis.h
@@ -1,4 +1,4 @@
-//===-- CmpInstAnalysis.h - Utils to help fold compare insts ------===//
+//===-- CmpInstAnalysis.h - Utils to help fold compare insts ----*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //