diff --git a/AgentOntology.ttl b/AgentOntology.ttl
index b1f2d87..04ba29b 100644
--- a/AgentOntology.ttl
+++ b/AgentOntology.ttl
@@ -695,9 +695,9 @@ cco:is_husband_of rdf:type owl:ObjectProperty ;
 cco:is_in_law_of rdf:type owl:ObjectProperty ;
                  rdfs:subPropertyOf cco:has_familial_relationship_to ;
                  owl:inverseOf cco:is_in_law_of ;
-                 rdf:type owl:SymmetricProperty ;
                  cco:is_curated_in_ontology "http://www.ontologyrepository.com/CommonCoreOntologies/Mid/AgentOntology"^^xsd:anyURI ;
-                 rdfs:label "is in-law of"@en .
+                 rdfs:label "is in-law of"@en ;
+                 skos:scopeNote "Given a stronger temporal interpretation, this property may be symmetric. For more info please refer to https://github.com/BFO-ontology/BFO-2020/tree/master/src/owl/temporal%20extensions."@en .
 
 
 ###  http://www.ontologyrepository.com/CommonCoreOntologies/is_interest_of
@@ -918,9 +918,9 @@ cco:is_son_of rdf:type owl:ObjectProperty ;
 cco:is_spouse_of rdf:type owl:ObjectProperty ;
                  rdfs:subPropertyOf cco:has_familial_relationship_to ;
                  owl:inverseOf cco:is_spouse_of ;
-                 rdf:type owl:SymmetricProperty ;
                  cco:is_curated_in_ontology "http://www.ontologyrepository.com/CommonCoreOntologies/Mid/AgentOntology"^^xsd:anyURI ;
-                 rdfs:label "is spouse of"@en .
+                 rdfs:label "is spouse of"@en ;
+                 skos:scopeNote "Given a stronger temporal interpretation, this property may be symmetric. For more info please refer to https://github.com/BFO-ontology/BFO-2020/tree/master/src/owl/temporal%20extensions."@en .
 
 
 ###  http://www.ontologyrepository.com/CommonCoreOntologies/is_step_brother_of
@@ -934,9 +934,9 @@ cco:is_step_brother_of rdf:type owl:ObjectProperty ;
 cco:is_step_sibling_of rdf:type owl:ObjectProperty ;
                        rdfs:subPropertyOf cco:has_familial_relationship_to ;
                        owl:inverseOf cco:is_step_sibling_of ;
-                       rdf:type owl:SymmetricProperty ;
                        cco:is_curated_in_ontology "http://www.ontologyrepository.com/CommonCoreOntologies/Mid/AgentOntology"^^xsd:anyURI ;
-                       rdfs:label "is step-sibling of"@en .
+                       rdfs:label "is step-sibling of"@en ;
+                       skos:scopeNote "Given a stronger temporal interpretation, this property may be symmetric. For more info please refer to https://github.com/BFO-ontology/BFO-2020/tree/master/src/owl/temporal%20extensions."@en .
 
 
 ###  http://www.ontologyrepository.com/CommonCoreOntologies/is_step_sister_of