Fix sentence construction-o.

llvm-svn: 168855
diff --git a/clang/lib/Parse/ParseExprCXX.cpp b/clang/lib/Parse/ParseExprCXX.cpp
index 2f615e1..d308d3e 100644
--- a/clang/lib/Parse/ParseExprCXX.cpp
+++ b/clang/lib/Parse/ParseExprCXX.cpp
@@ -99,7 +99,7 @@
 /// \brief Emits an error for a left parentheses after a double colon.
 ///
 /// When a '(' is found after a '::', emit an error.  Attempt to fix the token
-/// stream by removing the '(', and the matching ')' if it found.
+/// stream by removing the '(', and the matching ')' if found.
 void Parser::CheckForLParenAfterColonColon() {
   if (!Tok.is(tok::l_paren))
     return;