Improved comments.
Improved comments.

theGove/atlas,DES157/quickstart-js,yochannah/trafficuk,robforee/YA,theGove/atlas,knohyou/ExRx.net,knohyou/ExRx.net,robforee/YA,jmarantz/soccersub,firebase/quickstart-js,jmarantz/soccersub,jmarantz/soccersub,DaryaBeda/firebase_,DES157/quickstart-js,DaryaBeda/firebase_,uhntiss/quickstart-js,uhntiss/quickstart-js,firebase/quickstart-js,robforee/YA,firebase/quickstart-js,uhntiss/quickstart-js,yochannah/trafficuk