diff --git a/spec.ttl b/spec.ttl
index 92d5b49..899e301 100644
--- a/spec.ttl
+++ b/spec.ttl
@@ -18,7 +18,7 @@ spec:
   dcterms:issued "2021-06-04"^^xsd:date ;
   dcterms:license <https://creativecommons.org/publicdomain/zero/1.0/> ;
   owl:versionInfo [
-    dcterms:date "2023-07-24"^^xsd:date ;
+    dcterms:date "2024-05-26"^^xsd:date ;
 #    dcterms:replaces <> ;
 #    rdfs:seeAlso <> ;
   ] ;
@@ -60,6 +60,20 @@ spec:requirementReference
   rdfs:domain test-description:SpecificationTestCase ;
   rdfs:range spec:Requirement .
 
+spec:advisement
+  a rdf:Property, owl:ObjectProperty ;
+  rdfs:label "advisement"@en ;
+  rdfs:range spec:Advisement .
+
+spec:Advisement
+  a rdfs:Class ;
+  rdfs:label "Advisement"@en .
+
+spec:advisementLevel
+  a rdf:Property, owl:ObjectProperty ;
+  rdfs:label "advisement level"@en ;
+  rdfs:domain spec:Advisement .
+
 spec:testScript
   a rdf:Property, owl:ObjectProperty ;
   rdfs:label "test script"@en ;
@@ -199,11 +213,6 @@ spec:AdvisementLevel
   a skos:ConceptScheme ;
   skos:prefLabel "Advisement Level"@en .
 
-spec:advisementLevel
-  a rdf:Property, owl:ObjectProperty ;
-  rdfs:label "advisement"@en ;
-  rdfs:range spec:Advisement .
-
 spec:StronglyEncouraged
   a skos:Concept ;
   skos:topConceptOf spec:AdvisementLevel ;