diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 130f9ec297f..920be99325b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2015-04-08  Gerald Pfeifer  <gerald@pfeifer.com>
+
+	* doc/extend.texi (__sync Builtins): Fix grammar.
+
 2015-04-08  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
 
 	* doc/cfg.texi (GIMPLE statement iterators): Fix typo.
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 50815d1bf40..3e29e04c23e 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -8224,7 +8224,7 @@ counterparts.  GCC allows any integral scalar or pointer type that is
 
 Not all operations are supported by all target processors.  If a particular
 operation cannot be implemented on the target processor, a warning is
-generated and a call an external function is generated.  The external
+generated and a call to an external function is generated.  The external
 function carries the same name as the built-in version,
 with an additional suffix
 @samp{_@var{n}} where @var{n} is the size of the data type.