diff --git a/src/cco-modules/InformationEntityOntology.ttl b/src/cco-modules/InformationEntityOntology.ttl
index 78fb232..78f9928 100644
--- a/src/cco-modules/InformationEntityOntology.ttl
+++ b/src/cco-modules/InformationEntityOntology.ttl
@@ -151,9 +151,10 @@ cco:ont00001878 rdf:type owl:ObjectProperty ;
 cco:ont00001879 rdf:type owl:ObjectProperty ;
                  rdfs:subPropertyOf cco:ont00001801 ;
                  owl:inverseOf cco:ont00001916 ;
+                 rdfs:domain obo:BFO_0000001 ;
                  rdfs:range cco:ont00000686 ;
                  rdfs:label "designated by"@en ;
-                 skos: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/InformationEntityOntology"^^xsd:anyURI .