Typo.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155596 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
index f1b99fb..a283410 100644
--- a/lib/Parse/Parser.cpp
+++ b/lib/Parse/Parser.cpp
@@ -641,7 +641,7 @@
   case tok::kw_export:    // As in 'export template'
   case tok::kw_static_assert:
   case tok::kw__Static_assert:
-    // A function definition cannot start with a these keywords.
+    // A function definition cannot start with any of these keywords.
     {
       SourceLocation DeclEnd;
       StmtVector Stmts(Actions);