update aoi wording in CONTRIBUTING

Author: jreiberkyle

CONTRIBUTING.md

@@ -24,8 +24,9 @@ These AOIs are also given in the
 to add your notebook to the list of notebooks using each AOI.
 
 If the AOI for a notebook cannot be satisfied by the the AOIs already in use
-in the repository, then email <[email protected]> to request that the demo
-data coverage be expanded to include the new AOI. Once approved, add the AOI to the 
+in the repository, then email <[email protected]> so that we can consider
+expanding our demo data coverage to include a new AOI. If the new AOI is included,
+add the AOI to the 
 [repository_aois notebook](dev/repository_aois.ipynb). Run that notebook
 through to the end to update [aois.geojson](dev/imports_test.ipynb).