From 69a151e3c0b79f92848b6e6aabea2d449f19948e Mon Sep 17 00:00:00 2001
From: Sarven Capadisli <info@csarven.ca>
Date: Mon, 29 Sep 2025 12:43:29 +0200
Subject: [PATCH] Add rdfs:range to spec:requirementSubject

---
 spec.ttl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/spec.ttl b/spec.ttl
index fe25d9b..95b2fe0 100644
--- a/spec.ttl
+++ b/spec.ttl
@@ -51,7 +51,8 @@ spec:requirementLevel
 spec:requirementSubject
   a rdf:Property, owl:ObjectProperty ;
   rdfs:label "requirement subject"@en ;
-  rdfs:domain spec:Requirement .
+  rdfs:domain spec:Requirement ;
+  rdfs:range skos:Concept .
 
 spec:requirementReference
   a rdf:Property, owl:ObjectProperty ;