diff --git a/reference/constraints/Type.rst b/reference/constraints/Type.rst
index 1bdd49519ca..13714d59b7c 100644
--- a/reference/constraints/Type.rst
+++ b/reference/constraints/Type.rst
@@ -106,6 +106,10 @@ This will check if ``firstName`` is of type ``string`` and that ``age`` is an
             }
         }
 
+.. tip::
+
+    Type value can be class's or interface's fully qualified class name
+
 Options
 -------