doc: added spec-mount explanation
@@ -242,8 +242,14 @@ Now we apply this _Specfile_ to the key database to all keys below `tests/tutori
```sh
kdb spec-mount /tests/tutorial
```
-This command automatically mounts `/tests/tutorial` to the backend `tutorial.dump` and
-loads the validation plugin.
+This command automatically mounts `/tests/tutorial` to the backend `tutorial.dump`.
+Furthermore it adds all plugins necessary for all metadata within the specification.
+So in this example the validation plugin will be loaded automatically for us.
+`spec-mount` basically does a normal mount except that it automatically selects plugins. As a result there is no
+`spec-umount` command since the normal `umount` is sufficient.
+
+Please be aware that if you require many plugins for the same mount point,
+you can run into [this](https://github.com/ElektraInitiative/libelektra/issues/2133) error.
```sh
kdb set /tests/tutorial/links/url "invalid url"
