Update additional-resources.rst

doc/source/additional-resources.rst

@@ -10,12 +10,9 @@ or posts from the community.
 If you have a suggestion for something to add to this page, please
 `open an issue <https://github.com/jupyterhub/zero-to-jupyterhub-k8s/issues>`_.
 
-Links to blog posts
--------------------
 
-
-Links to community project repos
---------------------------------
+Links to community project resources
+------------------------------------
 
 * **Automatically deploy a JupyterHub on AWS** from the Space Telescope Software Institute
   * `github repository <https://github.com/spacetelescope/z2jh-aws-ansible>`_