diff --git a/ontology/fix.md b/ontology/fix.md
index b1248dcfa..0bc5e6e61 100644
--- a/ontology/fix.md
+++ b/ontology/fix.md
@@ -8,8 +8,12 @@ contact:
 description: An ontology of physico-chemical methods and properties.
 domain: chemistry and biochemistry
 homepage: http://www.ebi.ac.uk/chebi
+license:
+  label: CC BY 4.0
+  url: http://creativecommons.org/licenses/by/4.0/
 products:
 - id: fix.owl
 - id: fix.obo
+tracker: https://github.com/cmungall/fix/issues
 activity_status: orphaned
 ---