diff --git a/src/cco-extensions/ModalRelationOntology.ttl b/src/cco-extensions/ModalRelationOntology.ttl
index bc3e1ee..d1f8eec 100644
--- a/src/cco-extensions/ModalRelationOntology.ttl
+++ b/src/cco-extensions/ModalRelationOntology.ttl
@@ -1771,9 +1771,10 @@ mro:ont00001878 rdf:type owl:ObjectProperty ;
 mro:ont00001879 rdf:type owl:ObjectProperty ;
                 rdfs:subPropertyOf mro:ont00001801 ;
                 owl:inverseOf mro:ont00001916 ;
+                rdfs:domain obo:BFO_0000001 ;
                 rdfs:range cco:ont00000686 ;
                 rdfs:label "designated by"@en ;
-                <http://www.w3.org/2004/02/skos/core#definition> "x designated_by y iff y is an instance of Information Content Entity and x is an instance of Entity, such that given some context, y uniquely distinguishes x from other entities."@en ;
+                skos:definition "x designated_by y iff y is an instance of Desugnative Information Content Entity and x is an instance of Entity and y designates x."@en ;
                 cco:ont00001760 <https://www.commoncoreontologies.org/ModalRelationOntology> .