fix typos

llvm-svn: 47995
diff --git a/clang/Analysis/SymbolManager.cpp b/clang/Analysis/SymbolManager.cpp
index dd71dc9..95fbbb9 100644
--- a/clang/Analysis/SymbolManager.cpp
+++ b/clang/Analysis/SymbolManager.cpp
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-//  This files defines SymbolManager, a class that manages symbolic values
+//  This file defines SymbolManager, a class that manages symbolic values
 //  created for use by GRExprEngine and related classes.
 //
 //===----------------------------------------------------------------------===//