Update configuring-playbook-synapse-admin.md

Fixed compatibility misinformation

docs/configuring-playbook-synapse-admin.md

@@ -2,7 +2,7 @@
 
 The playbook can install and configure [etkecc/synapse-admin](https://github.com/etkecc/synapse-admin) (a [feature-rich](https://github.com/etkecc/synapse-admin#fork-differences) fork of [Awesome-Technologies/synapse-admin](https://github.com/Awesome-Technologies/synapse-admin)) for you.
 
-synapse-admin is a web UI tool you can use to **administrate users, rooms, media, etc. on your Matrix server**. It's designed to work with the Synapse homeserver implementation, but to some extent may work with [Dendrite](./configuring-playbook-dendrite.md) as well.
+synapse-admin is a web UI tool you can use to **administrate users, rooms, media, etc. on your Matrix server**. It's designed to work with the Synapse homeserver implementation and WON'T work with Dendrite because [Dendrite Admin API](https://matrix-org.github.io/dendrite/administration/adminapi) differs from [Synapse Admin API](https://element-hq.github.io/synapse/latest/usage/administration/admin_api/).
 
 See the project's [documentation](https://github.com/etkecc/synapse-admin) to learn what it does and why it might be useful to you.