Updated cronjob name

Author: ArneTR

content/en/docs/cluster/cron-jobs.md

@@ -25,7 +25,7 @@ SHELL=/bin/bash
 
 ## If you only run daily or weekly projects this needs to only run once a day
 ## If you use the commit or tag feature we recommend every 15 minutes
-15     *       *       *       *       PATH_TO_GMT/venv/bin/python3 PATH_TO_GMT/cron/timeline_projects.py schedule &>> /var/log/green-metrics-jobs.log
+15     *       *       *       *       PATH_TO_GMT/venv/bin/python3 PATH_TO_GMT/cron/watchlist.py schedule &>> /var/log/green-metrics-jobs.log
 
 ## If you use CarbonDB you must at least update and compress once a day. 
 ## If you want more current data run this more often.