diff --git a/_docs/debug-tool-pixel-scaling.md b/_docs/debug-tool-pixel-scaling.md
index e6c1670a..959bd4bf 100644
--- a/_docs/debug-tool-pixel-scaling.md
+++ b/_docs/debug-tool-pixel-scaling.md
@@ -32,6 +32,6 @@ In the screenshot below of an app with this debug feature enabled, you can see t
In your `AppDelegate.m` file,
- import `AsyncDisplayKit+Debug.h`
- - add `[ASImageNode setShouldShowImageScalingOverlay:YES];` at the top of your `didFinishLaunchingWithOptions:` method
+ - add `[ASImageNode setShouldShowImageScalingOverlay:YES]` at the top of your `didFinishLaunchingWithOptions:` method
Make sure to call this method before initializing any ASImageNodes.