comment fix ARM.h

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150904 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARM.h b/lib/Target/ARM/ARM.h
index da3b74a..acb57f7 100644
--- a/lib/Target/ARM/ARM.h
+++ b/lib/Target/ARM/ARM.h
@@ -1,4 +1,4 @@
-//===-- ARM.h - Top-level interface for ARM representation-------*- C++ -*-===//
+//===-- ARM.h - Top-level interface for ARM representation ------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //