diff --git a/include/Config/fcntl.h b/include/Config/fcntl.h
index bfea550f45a..ed8a1c839b5 100644
--- a/include/Config/fcntl.h
+++ b/include/Config/fcntl.h
@@ -1,4 +1,4 @@
-// 
+/* 
  *                     The LLVM Compiler Infrastructure
  *
  * This file was developed by the LLVM research group and is distributed under
diff --git a/include/llvm/Config/fcntl.h b/include/llvm/Config/fcntl.h
index bfea550f45a..ed8a1c839b5 100644
--- a/include/llvm/Config/fcntl.h
+++ b/include/llvm/Config/fcntl.h
@@ -1,4 +1,4 @@
-// 
+/* 
  *                     The LLVM Compiler Infrastructure
  *
  * This file was developed by the LLVM research group and is distributed under