diff --git a/principles/fp-009-users.md b/principles/fp-009-users.md
index bd5c171ca..035fe8973 100644
--- a/principles/fp-009-users.md
+++ b/principles/fp-009-users.md
@@ -7,8 +7,7 @@ GO TO: [Recommendations/Requirements](#recommendations-and-requirements) |
 
 ## Summary
 
-The ontology developers should document that the ontology is used by
-multiple independent people or organizations.
+The ontology developers SHOULD document that the ontology is used by multiple independent people or organizations.
 
 ## Purpose