diff --git a/RDFSharp/Model/RDFDatatype.cs b/RDFSharp/Model/RDFDatatype.cs
index a43ecbfe..9c553f66 100644
--- a/RDFSharp/Model/RDFDatatype.cs
+++ b/RDFSharp/Model/RDFDatatype.cs
@@ -36,7 +36,7 @@ public class RDFDatatype
         public Uri URI { get; internal set; }
 
         /// <summary>
-        /// Indicates that the datatype is one of RDFModelEnums.RDFDatatypes
+        /// Indicates that the datatype is supported by RDFModelEnums.RDFDatatypes
         /// </summary>
         public bool IsBuiltIn { get; internal set; }