[Docs] Update Cleanup docs with new cleanupset command group (#5245)

* Add cleanupset commands to cleanup docs

* fix spacing

* shown -> sent

* update command docstring

* Fix trailing whitespace and use same style for docs

Co-authored-by: jack1142 <6032823+jack1142@users.noreply.github.com>

docs/cog_guides/cleanup.rst

@@ -294,3 +294,40 @@ Examples:
 - ``<user>`` The user whose messages are to be cleaned up.
 - ``<number>`` The max number of messages to cleanup. Must be a positive integer.
 - ``<delete_pinned>`` Whether to delete pinned messages or not. Defaults to False
+
+.. _cleanup-command-cleanupset:
+
+^^^^^^^^^^
+cleanupset
+^^^^^^^^^^
+
+.. note:: |admin-lock|
+
+**Syntax**
+
+.. code-block:: none
+
+    [p]cleanupset 
+
+**Description**
+
+Manage the settings for the cleanup command.
+
+.. _cleanup-command-cleanupset-notify:
+
+"""""""""""""""""
+cleanupset notify
+"""""""""""""""""
+
+**Syntax**
+
+.. code-block:: none
+
+    [p]cleanupset notify
+
+**Description**
+
+Toggle clean up notification settings.
+
+When enabled, a message will be sent per cleanup, showing how many messages were deleted.
+This message will be deleted after 5 seconds.

redbot/cogs/cleanup/cleanup.py

@@ -733,7 +733,11 @@ class Cleanup(commands.Cog):
 
     @cleanupset.command(name="notify")
     async def cleanupset_notify(self, ctx: commands.Context):
-        """Toggle clean up notification settings."""
+        """Toggle clean up notification settings.
+
+        When enabled, a message will be sent per cleanup, showing how many messages were deleted.
+        This message will be deleted after 5 seconds.
+        """
         toggle = await self.config.guild(ctx.guild).notify()
         if toggle:
             await self.config.guild(ctx.guild).notify.set(False)