diff --git a/ontology/demo/textile/0.1/textile.ttl b/ontology/demo/textile/0.1/textile.ttl
index 8b35327..27b86cc 100644
--- a/ontology/demo/textile/0.1/textile.ttl
+++ b/ontology/demo/textile/0.1/textile.ttl
@@ -353,6 +353,9 @@
 #    Classes
 #################################################################
 
+###  http://w3id.org/CEON/demo/textile/Regulation
+:Regulation rdf:type owl:Class .
+
 ###  http://w3id.org/CEON/demo/textile/Origin
 :Origin rdf:type owl:Class .
 
@@ -1256,5 +1259,9 @@
 :REACH rdf:type owl:NamedIndividual ,
                     <http://w3id.org/CEON/demo/textile/Regulation> .
 
+###  http://w3id.org/CEON/demo/textile/MSDS
+:MSDS rdf:type owl:NamedIndividual ,
+                    <http://w3id.org/CEON/demo/textile/Regulation> .
+
 
 ###  Generated by the OWL API (version 4.5.26.2023-07-17T20:34:13Z) https://github.com/owlcs/owlapi