diff --git a/src/cco-modules/InformationEntityOntology.ttl b/src/cco-modules/InformationEntityOntology.ttl
index 1941a67..2ce4430 100644
--- a/src/cco-modules/InformationEntityOntology.ttl
+++ b/src/cco-modules/InformationEntityOntology.ttl
@@ -509,7 +509,7 @@ cco:ArtifactVersionOrdinality rdf:type owl:Class ;
 ###  http://www.ontologyrepository.com/CommonCoreOntologies/ArtificialLanguage
 cco:ArtificialLanguage rdf:type owl:Class ;
                        rdfs:subClassOf cco:Language ;
-                       owl:disjointWith cco:NautralLanguage ;
+                       owl:disjointWith cco:NaturalLanguage ;
                        cco:definition "A Language that is developed through conscious planning and premeditation, rather than one that was developed through use and repetition."@en ;
                        cco:definition_source "https://en.wikipedia.org/w/index.php?title=Constructed_language&oldid=1062733589"^^xsd:anyURI ;
                        cco:example_of_usage "Esperanto" ,