diff --git a/src/cco-modules/InformationEntityOntology.ttl b/src/cco-modules/InformationEntityOntology.ttl
index b32a112..34a2527 100644
--- a/src/cco-modules/InformationEntityOntology.ttl
+++ b/src/cco-modules/InformationEntityOntology.ttl
@@ -261,9 +261,10 @@ cco:ont00001916 rdf:type owl:ObjectProperty ;
 cco:ont00001917 rdf:type owl:ObjectProperty ;
                  rdfs:subPropertyOf cco:ont00001801 ;
                  owl:inverseOf cco:ont00001982 ;
+                 rdfs:domain obo:BFO_0000001 ;
                  rdfs:range cco:ont00000853 ;
                  rdfs:label "described by"@en ;
-                 skos:definition "x described_by y iff y is an instance of Information Content Entity, and x is an instance of Entity, such that y is about the characteristics by which y can be recognized or visualized."@en ;
+                 skos:definition "x described_by y iff y is an instance of Descriptive Information Content Entity and x is an instance of Entity and y describes x."@en ;
                  cco:ont00001760 "https://www.commoncoreontologies.org/InformationEntityOntology"^^xsd:anyURI .