Some error messages instruct the user to add a title. They suggest to add a "rdf:label" property. I think a more common namespace prefix for the RDF Schema label property is rdfs, so I changed the error string to mention an "rdfs:label" property instead.
Some error messages instruct the user to add a title. They suggest to add a "rdf:label" property. I think a more common namespace prefix for the RDF Schema label property is rdfs, so I changed the error string to mention an "rdfs:label" property instead.