diff --git a/book/testing.rst b/book/testing.rst
index 4a836f6c313..ebe3b003c60 100644
--- a/book/testing.rst
+++ b/book/testing.rst
@@ -377,7 +377,7 @@ or perform more complex requests::
         array('photo' => $photo)
     );
 
-    // Perform a DELETE requests, and pass HTTP headers
+    // Perform a DELETE request, and pass HTTP headers
     $client->request(
         'DELETE',
         '/post/12',