diff --git a/ontology/modules/product/0.3/product.ttl b/ontology/modules/product/0.3/product.ttl
index 50521678..d030e026 100644
--- a/ontology/modules/product/0.3/product.ttl
+++ b/ontology/modules/product/0.3/product.ttl
@@ -86,7 +86,7 @@ odp:coversRequirements rdf:type owl:AnnotationProperty .
 :associatedWithProductModel rdf:type owl:ObjectProperty ;
                             rdfs:domain :ProductComposition ;
                             rdfs:range :Product ;
-                            rdfs:comment "associatedWithProductModel intends to represent the matter to which a product compopsition information regards to."@en ;
+                            rdfs:comment "associatedWithProductModel intends to represent the product model to which a product compopsition information regards to."@en ;
                             rdfs:label "associated with product model"@en .
 
 
@@ -95,7 +95,7 @@ odp:coversRequirements rdf:type owl:AnnotationProperty .
                              rdfs:subPropertyOf owl:topObjectProperty ;
                              rdfs:domain :ProductObjectComposition ;
                              rdfs:range :ProductObject ;
-                             rdfs:comment "associatedWithProductObject intends to represent the matter to which a product object compopsition information regards to." ;
+                             rdfs:comment "associatedWithProductObject intends to represent the item (product object) to which a product object compopsition information regards to." ;
                              rdfs:label "associated with product object" .