diff --git a/jsonschema-core.xml b/jsonschema-core.xml
index b58771e7..13efa853 100644
--- a/jsonschema-core.xml
+++ b/jsonschema-core.xml
@@ -356,6 +356,11 @@
                     This extended meta-schema SHOULD be referenced using the "$schema" keyword, to
                     allow tools to follow the correct behaviour.
                 </t>
+                <t>
+                    Note that the recursive nature of meta-schemas requires re-definining
+                    recursive keywords in the extended meta-schema, as can be seen in
+                    the JSON Hyper-Schema meta-schema.
+                </t>
             </section>
 
         </section>