diff --git a/rdf/tbox/filegraph/README.md b/rdf/tbox/filegraph/README.md
index 37d93a3e..3c000403 100644
--- a/rdf/tbox/filegraph/README.md
+++ b/rdf/tbox/filegraph/README.md
@@ -8,3 +8,6 @@ Action Items:
 - [ ] capture highlights covered by @brianjlowe in #vivoifest15 session 
 - [ ] identify best place to document all of the existing files in this directory, e.g. 
 a table in this Markdown doc versus in the files themselves?
+- [ ] identify where to document @ShahimEssaid recommendations regarding best practices for local ontology extensions:
+ * Don't create without discussing use case with vivo ontology mailing list on sourceforge -- new classes and new properties
+ * Don't re-use existing vocab to VIVO-ISF mailing list