Link to instructions to reset Docker. (#2563)
Link to instructions to reset Docker. (#2563)

* Link to instructions to reset Docker.

* Use correct terms.

ZCloud-Firstserver/boulder,sophie-h/boulder,bmw/boulder,sophie-h/boulder,bmw/boulder,letsencrypt/boulder,sophie-h/boulder,jfrazelle/boulder,ibukanov/boulder,jfrazelle/boulder,jcjones/boulder,ZCloud-Firstserver/boulder,ibukanov/boulder,jcjones/boulder,jcjones/boulder,jsha/boulder,ibukanov/boulder,lucasallan/boulder,jsha/boulder,jsha/boulder,lucasallan/boulder,jfrazelle/boulder,letsencrypt/boulder,jcjones/boulder,ZCloud-Firstserver/boulder,jfrazelle/boulder,letsencrypt/boulder,bmw/boulder,lucasallan/boulder,ZCloud-Firstserver/boulder