muc-hats: Mention which ejabberd versions are documented in that page

Author: badlop

content/tutorials/muc-hats.md

@@ -1,15 +1,26 @@
 # MUC Hats
 
-<!-- md:version improved in [25.03](../archive/25.03/index.md) -->
-
-ejabberd implements support for
-[XEP-0317 Hats](https://xmpp.org/extensions/xep-0317.html)
-since version 21.12,
-as implemented in commit
-[5d0e599](https://github.com/processone/ejabberd/commit/5d0e599f1784d7529dcd365ad8c3dd46c1ac85ad).
-In ejabberd 25.03, support has been improved to XEP v0.2.0,
+!!! info "Please note"
+
+    This page is useful only for ejabberd 25.08 and older versions.
+    If you are using ejabberd 25.xx or newer,
+    please consult [XEP-0317 Hats](https://xmpp.org/extensions/xep-0317.html)
+    as ejabberd nowadays supports XEP-0317 0.3.1.
+
+<!-- md:version improved in [25.xx](../archive/25.xx/index.md) -->
+
+ejabberd [21.12](../archive/21.12/index.md) introduced support for
+[XEP-0317 Hats](https://xmpp.org/extensions/xep-0317.html).
+
+In ejabberd [25.03](../archive/25.03/index.md) support was improved to XEP version 0.2.0,
 with some minor differences to the examples in the protocol,
-which are described here.
+which are described in this page.
+
+In ejabberd [25.xx](../archive/25.xx/index.md) support has been improved to XEP version 0.3.1,
+strictly following the protocol and all its examples.
+Consequently, if you are using ejabberd 25.xx or newer,
+please use [XEP-0317 Hats](https://xmpp.org/extensions/xep-0317.html)
+instead of this page.
 
 ## Configuration