diff --git a/docs/walkthroughs/applying-custom-formatting.md b/docs/walkthroughs/applying-custom-formatting.md
index 79044b896..ab0ed22b4 100644
--- a/docs/walkthroughs/applying-custom-formatting.md
+++ b/docs/walkthroughs/applying-custom-formatting.md
@@ -105,7 +105,7 @@ class App extends React.Component {
 }
 ```
 
-Okay, so we've got the hotkey handler setup... but! If you happen to now try selecting text and hitting `⌘-B`, you'll get an error in your console. That's because we haven't told Slate how to render a "bold" mark.
+Okay, so we've got the hotkey handler setup... but! If you happen to now try selecting text and hitting `⌘-B`, you won't notice any change. That's because we haven't told Slate how to render a "bold" mark.
 
 For every mark type you want to add to your schema, you need to give Slate a "renderer" for that mark, just like nodes. So let's define our `bold` mark: