diff --git a/examples/json.pegjs b/examples/json.pegjs
index cff038f..d31ef41 100644
--- a/examples/json.pegjs
+++ b/examples/json.pegjs
@@ -28,7 +28,7 @@ elements: value ("," _ value)* {
   for (var i = 0; i < $2.length; i++) {
     result.push($2[i][2]);
   }
-  return result;  
+  return result;
 }
 
 value