diff --git a/src/cco-extensions/ModalRelationOntology.ttl b/src/cco-extensions/ModalRelationOntology.ttl
index 80109e2..0c35cf2 100644
--- a/src/cco-extensions/ModalRelationOntology.ttl
+++ b/src/cco-extensions/ModalRelationOntology.ttl
@@ -2584,9 +2584,10 @@ mro:ont00001962 rdf:type owl:ObjectProperty ;
 ###  https://www.commoncoreontologies.org/mro/ont00001963
 mro:ont00001963 rdf:type owl:ObjectProperty ;
                 rdfs:subPropertyOf mro:ont00001904 ;
+                rdfs:domain obo:BFO_0000001 ;
                 rdfs:range cco:ont00001010 ;
                 rdfs:label "is measured by ordinal"@en ;
-                <http://www.w3.org/2004/02/skos/core#definition> "y is_measured_by_ordinal x iff x is an instance of Information Content Entity and y is an instance of Entity, such that x describes some attribute of y relative to a scale ordered by rank."@en ;
+                <http://www.w3.org/2004/02/skos/core#definition> "x is_measured_by_ordinal y iff y is an instance of Ordinal Measurement Information Content Entity and x is an instance of Entity, such that y describes some attribute of x relative to a scale ordered by rank."@en ;
                 cco:ont00001760 <https://www.commoncoreontologies.org/ModalRelationOntology> .
 
 
@@ -2595,7 +2596,7 @@ mro:ont00001964 rdf:type owl:ObjectProperty ;
                 rdfs:subPropertyOf mro:ont00001904 ;
                 rdfs:range cco:ont00001364 ;
                 rdfs:label "is measured by interval"@en ;
-                <http://www.w3.org/2004/02/skos/core#definition> "y is_measured_by_interval x iff x is an instance of Information Content Entity and y is an instance of Entity, such that x describes some attribute of y relative to a scale which has uniform intervals but has a zero value that does not correspond to an absence of the attribute being measured."@en ;
+                <http://www.w3.org/2004/02/skos/core#definition> "y is_measured_by_interval x iff x is an instance of Interval Measurement Information Content Entity and y is an instance of Entity, such that x describes some attribute of y relative to a scale which has uniform intervals but has a zero value that does not correspond to an absence of the attribute being measured."@en ;
                 cco:ont00001760 <https://www.commoncoreontologies.org/ModalRelationOntology> .
 
 
@@ -2605,7 +2606,7 @@ mro:ont00001965 rdf:type owl:ObjectProperty ;
                 owl:inverseOf mro:ont00001983 ;
                 rdfs:range cco:ont00001022 ;
                 rdfs:label "is measured by ratio"@en ;
-                <http://www.w3.org/2004/02/skos/core#definition> "y is_measured_by_ratio x iff x is an instance of Information Content Entity and y is an instance of Entity, such that x describes some attribute of y relative to a scale having equal unit values and a zero value that corresponds to the absence of the attribute being measured."@en ;
+                <http://www.w3.org/2004/02/skos/core#definition> "y is_measured_by_ratio x iff x is an instance of Ratio Measurement Information Content Entity and y is an instance of Entity, such that x describes some attribute of y relative to a scale having equal unit values and a zero value that corresponds to the absence of the attribute being measured."@en ;
                 cco:ont00001760 <https://www.commoncoreontologies.org/ModalRelationOntology> .