diff --git a/src/cco-modules/AgentOntology.ttl b/src/cco-modules/AgentOntology.ttl
index f15952f..cc20303 100644
--- a/src/cco-modules/AgentOntology.ttl
+++ b/src/cco-modules/AgentOntology.ttl
@@ -16,7 +16,7 @@
                                                                             dcterms:license <https://opensource.org/licenses/BSD-3-Clause> ;
                                                                             rdfs:comment "This ontology is designed to represent agents, especially persons and organizations, and their roles."@en ;
                                                                             rdfs:label "Agent Ontology"@en ;
-                                                                            owl:versionInfo "Version 1.5"@en .
+                                                                            owl:versionInfo "Version 1.5 "@en .
 
 #################################################################
 #    Annotation properties