diff --git a/OpenSim/Framework/PrimitiveBaseShape.cs b/OpenSim/Framework/PrimitiveBaseShape.cs
index 9c2a4f9ac1..9d294801e2 100644
--- a/OpenSim/Framework/PrimitiveBaseShape.cs
+++ b/OpenSim/Framework/PrimitiveBaseShape.cs
@@ -188,6 +188,10 @@ namespace OpenSim.Framework
             m_textureEntry = DEFAULT_TEXTURE;
         }
 
+        /// <summary>
+        /// Construct a PrimitiveBaseShape object from a OpenMetaverse.Primitive object
+        /// </summary>
+        /// <param name="prim"></param>
         public PrimitiveBaseShape(Primitive prim)
         {
             PCode = (byte)prim.PrimData.PCode;