Update housekeeping command docs

docs/administration/housekeeping.md

@@ -5,6 +5,7 @@ NetBox includes a `housekeeping` management command that should be run nightly.
 * Clearing expired authentication sessions from the database
 * Deleting changelog records older than the configured [retention time](../configuration/miscellaneous.md#changelog_retention)
 * Deleting job result records older than the configured [retention time](../configuration/miscellaneous.md#jobresult_retention)
+* Check for new NetBox releases (if [`RELEASE_CHECK_URL`](../configuration/miscellaneous.md#release_check_url) is set)
 
 This command can be invoked directly, or by using the shell script provided at `/opt/netbox/contrib/netbox-housekeeping.sh`. This script can be linked from your cron scheduler's daily jobs directory (e.g. `/etc/cron.daily`) or referenced directly within the cron configuration file.
 

netbox/extras/management/commands/housekeeping.py

@@ -37,7 +37,7 @@ class Command(BaseCommand):
                     f"clearing sessions; skipping."
                 )
 
-        # Delete expired ObjectRecords
+        # Delete expired ObjectChanges
         if options['verbosity']:
             self.stdout.write("[*] Checking for expired changelog records")
         if config.CHANGELOG_RETENTION: