fix typos

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47994 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Instrumentation/ProfilingUtils.h b/lib/Transforms/Instrumentation/ProfilingUtils.h
index 643b9e1..94efffe 100644
--- a/lib/Transforms/Instrumentation/ProfilingUtils.h
+++ b/lib/Transforms/Instrumentation/ProfilingUtils.h
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This files defines a few helper functions which are used by profile
+// This file defines a few helper functions which are used by profile
 // instrumentation code to instrument the code.  This allows the profiler pass
 // to worry about *what* to insert, and these functions take care of *how* to do
 // it.