diff --git a/biolink-model.yaml b/biolink-model.yaml
index 67afc883dc..8ac45bc8cc 100644
--- a/biolink-model.yaml
+++ b/biolink-model.yaml
@@ -3092,7 +3092,7 @@ slots:
     annotations:
       canonical_predicate: true
     exact_mappings:
-      - RO:00002325
+      - RO:0002325
 
   # Despite the name, note that this particular entity is
   # NOT a biolink:Association but rather, a biolink:predicate