userguide: new tip: Disable rate limits if they're not used
userguide: new tip: Disable rate limits if they're not used

mitsuhiko/celery,WoLpH/celery,frac/celery,ask/celery,ask/celery,frac/celery,mitsuhiko/celery,cbrepo/celery,WoLpH/celery,cbrepo/celery