fix typos

llvm-svn: 47995
diff --git a/clang/Analysis/ValueState.cpp b/clang/Analysis/ValueState.cpp
index f47e14b..ef6fc17 100644
--- a/clang/Analysis/ValueState.cpp
+++ b/clang/Analysis/ValueState.cpp
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-//  This files defines SymbolID, ExprBindKey, and ValueState*
+//  This file defines SymbolID, ExprBindKey, and ValueState*
 //
 //===----------------------------------------------------------------------===//