diff --git a/Readme.md b/Readme.md
index 42ab5f43b..074610375 100644
--- a/Readme.md
+++ b/Readme.md
@@ -81,7 +81,7 @@ BFTasks use Objective-C blocks, so the syntax should be pretty straightforward.
     // and provides an NSString as output.
 
     NSNumber *number = task.result;
-    return [NSString stringWithFormat:"%@", number];
+    return [NSString stringWithFormat:@"%@", number];
   )];
 }
 ```