Update for leanpub preview

manuscript/recipes/wallabag.md

@@ -196,7 +196,7 @@ Even with all these elements in place, you still need to enable Redis under Inte
 ![Wallabag Imports](../images/wallabag_imports.png)
 
 
-## Chef's Notes 📓
+## Chef's Notes 
 
 1. If you wanted to expose the Wallabag UI directly (_required for the iOS/Android apps_), you could remove the oauth2_proxy from the design, and move the traefik-related labels directly to the wallabag container. You'd also need to add the traefik_public network to the wallabag container. I found the iOS app to be unreliable and clunky, so elected to leave my oauth_proxy enabled, and to simply use the webUI on my mobile devices instead. YMMMV.
 2. I've not tested the email integration, but you'd need an SMTP server listening on port 25 (_since we can't change the port_) to use it