Certificate has incorrect rdfs:comment

[Fak3]

        {
            "@id": "uncefact:Certificate",
            "@type": "rdfs:Class",
            "rdfs:comment": "A legal proof of ownership or worthiness of an item.",
            "rdfs:label": "Certificate",
            "uncefact:cefactElementMetadata": [
                {
                    "@id": "cefact:Product_Certificate.Details",
                    "@type": "uncefact:AggregateBIE",
                    "uncefact:cefactUNId": "cefact:UN01012483",
                    "rdfs:comment": "A collection of data for a piece of written, printed or electronic matter that provides information or evidence about the product.",
                    "uncefact:cefactBusinessProcess": "Traceability"
                }
            ]
        },

Certificate class has rdfs:comment "A legal proof of ownership or worthiness of an item.", but the cefactElementMetadata comment is different, and corresponds to the RDM xml file. Where does the class comment came from?