diff --git a/src/cco-modules/ExtendedRelationOntology.ttl b/src/cco-modules/ExtendedRelationOntology.ttl
index 788950f..1e610d3 100644
--- a/src/cco-modules/ExtendedRelationOntology.ttl
+++ b/src/cco-modules/ExtendedRelationOntology.ttl
@@ -539,7 +539,7 @@ cco:ont00001928 rdf:type owl:ObjectProperty ;
                  rdfs:range obo:BFO_0000004 ;
                  rdfs:label "is predecessor of"@en ;
                  skos:definition "x is_predecessor_of y iff x and y are both instances of Independent Continuant and there is some process p and x is an input to p and y is an output of p."@en ;
-                 skos:scopeNote "More informally, x is a predecessor of y iff x has been followed or replaced by y."@en ;
+                 skos:scopeNote "More informally, x is_predecessor_of y iff y follows or replaces x."@en ;
                  cco:ont00001760 "https://www.commoncoreontologies.org/ExtendedRelationOntology"^^xsd:anyURI .