Merge pull request #22 from dugwood/patch-1

Wrong variable
diff --git a/README.md b/README.md
index 9165c9b..c6d99c1 100644
--- a/README.md
+++ b/README.md
@@ -122,5 +122,5 @@
 $engineClient = new EngineClient('http://localhost:8000');
 $response = $engineClient->sendQuery(array('uid'=>7, 'iids'=>array(1,2,3,4,5)));
 
-print_r($rec);
+print_r($response);
 ```