diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.h b/lib/CodeGen/SelectionDAG/InstrEmitter.h
index a9c2203e840..920dda8820f 100644
--- a/lib/CodeGen/SelectionDAG/InstrEmitter.h
+++ b/lib/CodeGen/SelectionDAG/InstrEmitter.h
@@ -1,4 +1,4 @@
-//===---- InstrEmitter.h - Emit MachineInstrs for the SelectionDAG class ---==//
+//===- InstrEmitter.h - Emit MachineInstrs for the SelectionDAG -*- C++ -*--==//
 //
 //                     The LLVM Compiler Infrastructure
 //