diff --git a/principles/fp-010-collaboration.md b/principles/fp-010-collaboration.md
index 6cf2412c5..c459f0445 100644
--- a/principles/fp-010-collaboration.md
+++ b/principles/fp-010-collaboration.md
@@ -6,8 +6,7 @@ title: Commitment To Collaboration (principle 10)
 
 ## Summary
 
-OBO Foundry ontology development, in common with many other standards-oriented scientific
-activities, should be carried out in a collaborative fashion.
+OBO Foundry ontology development, in common with many other standards-oriented scientific activities, SHOULD be carried out in a collaborative fashion.
 
 ## Purpose