diff --git a/data/schema.ttl b/data/schema.ttl
index 324cc14faa..da014dc3f8 100644
--- a/data/schema.ttl
+++ b/data/schema.ttl
@@ -8957,7 +8957,7 @@ we define a supporting type, [[SpeakableSpecification]]  which is defined to be
     rdfs:label "timeRequired" ;
     :domainIncludes :CreativeWork ;
     :rangeIncludes :Duration ;
-    rdfs:comment "Approximate or typical time it takes to work with or through this learning resource for the typical intended target audience, e.g. 'PT30M', 'PT1H25M'." .
+    rdfs:comment "Approximate or typical time it usually takes to work with or through the content of this work for the typical or target audience." .
 
 :title a rdf:Property ;
     rdfs:label "title" ;