diff --git a/src/cco-extensions/ModalRelationOntology.ttl b/src/cco-extensions/ModalRelationOntology.ttl
index 7247659..ec9f849 100644
--- a/src/cco-extensions/ModalRelationOntology.ttl
+++ b/src/cco-extensions/ModalRelationOntology.ttl
@@ -731,9 +731,10 @@ mro:ont00001777 rdf:type owl:ObjectProperty ;
 ###  https://www.commoncoreontologies.org/mro/ont00001778
 mro:ont00001778 rdf:type owl:ObjectProperty ;
                 rdfs:subPropertyOf mro:BFO_0000057 ;
-                owl:inverseOf mro:ont00001936 ;
+                rdfs:domain obo:BFO_0000015 ;
+                rdfs:range obo:BFO_0000002 ;
                 rdfs:label "has object"@en ;
-                <http://www.w3.org/2004/02/skos/core#definition> "If p is a process and c is a continuant, then p has object c if and only if p is performed by an agent and c is part of the projected state that agent intends to achieve by performing p."@en ;
+                <http://www.w3.org/2004/02/skos/core#definition> "x has_object y ff x is an instance of Process and y is an instance of Continuant and x is performed by some instance of Agent z and y is part of the projected state that z intends to achieve by performing x."@en ;
                 cco:ont00001760 <https://www.commoncoreontologies.org/ModalRelationOntology> .