Update faq.rst (#1637)
Update faq.rst (#1637)

Related to #1557
ArijanaBrlek/superset,ArijanaBrlek/superset,BRD-CD/superset,airbnb/caravel,alanmcruickshank/superset-dev,FrederichCheng/incubator-superset,dmigo/incubator-superset,massgov/incubator-superset,SingTel-DataCo/incubator-superset,asdf2014/superset,SingTel-DataCo/incubator-superset,airbnb/superset,alanmcruickshank/superset-dev,zhouyao1994/incubator-superset,massgov/incubator-superset,robert-digit/superset,asdf2014/superset,mistercrunch/panoramix,airbnb/caravel,BRD-CD/superset,zhouyao1994/incubator-superset,timifasubaa/incubator-superset,BRD-CD/superset,apache/incubator-superset,zhouyao1994/incubator-superset,asdf2014/superset,alanmcruickshank/superset-dev,ArijanaBrlek/superset,nekia/incubator-superset-dev,mistercrunch/panoramix,massgov/incubator-superset,airbnb/superset,nekia/incubator-superset-dev,apache/incubator-superset,FrederichCheng/incubator-superset,zhouyao1994/incubator-superset,dmigo/incubator-superset,robert-digit/superset,airbnb/caravel,nekia/incubator-superset-dev,apache/incubator-superset,airbnb/superset,dmigo/incubator-superset,apache/incubator-superset,SingTel-DataCo/incubator-superset,timifasubaa/incubator-superset,mistercrunch/panoramix,alanmcruickshank/superset-dev,nekia/incubator-superset-dev,timifasubaa/incubator-superset,timifasubaa/incubator-superset,SingTel-DataCo/incubator-superset,airbnb/caravel,zhouyao1994/incubator-superset,ArijanaBrlek/superset,robert-digit/superset,robert-digit/superset,asdf2014/superset,airbnb/superset,FrederichCheng/incubator-superset,massgov/incubator-superset,BRD-CD/superset,mistercrunch/panoramix,dmigo/incubator-superset,apache/incubator-superset,FrederichCheng/incubator-superset