diff --git a/GeospatialOntology.ttl b/GeospatialOntology.ttl
index 1155d07..14b98ca 100644
--- a/GeospatialOntology.ttl
+++ b/GeospatialOntology.ttl
@@ -287,7 +287,7 @@ cco:Country rdf:type owl:Class ;
 cco:County rdf:type owl:Class ;
            rdfs:subClassOf cco:GeopoliticalEntity ;
            cco:definition "A Geopolitical Entity that is part of either a First-Order or Second-Order Administrative Region."@en ;
-           cco:definition_source "https://en.wikipedia.org/w/index.php?title=County&oldid=1062817834"^^xsd:anyURI^^xsd:anyURI ;
+           cco:definition_source "https://en.wikipedia.org/w/index.php?title=County&oldid=1062817834"^^xsd:anyURI ;
            cco:is_curated_in_ontology "http://www.ontologyrepository.com/CommonCoreOntologies/Mid/GeospatialOntology"^^xsd:anyURI ;
            rdfs:label "County"@en .