MAGEDOC-3644: Post GA release docs cleanup

Fix from review

Author: bdenham

docs/create-custom-content-type/summary.md

@@ -1,6 +1,6 @@
 # Summary
 
-If you made it this far, congratulations! We hope this tutorial was useful for learning the basics of creating a completely new content type for your end-users. 
+If you made it this far, congratulations! We hope this tutorial was useful for learning the basics of creating a completely new content type for your end users. 
 
 ## Next topics
 Here's a list of good next topics to learn more about customizing Page Builder:
@@ -23,4 +23,4 @@ Here's a list of good next topics to learn more about customizing Page Builder:
 - [Page Builder configurations](../reference/configurations.md)
 - [Page Builder Datastore](../reference/data-store.md)
 - [Page Builder events](../reference/events.md)
-- [Page Builder Knockout bindings](../reference/knockout-bindings.md)
+- [Page Builder Knockout bindings](../reference/knockout-bindings.md)