Fixed typos and reworded some sentence
Fixed typos and reworded some sentence

aerogear/aerogear-unifiedpush-server,secondsun/aerogear-unifiedpush-server,aerogear/aerogear-unifiedpush-server,secondsun/aerogear-unifiedpush-server,aerogear/aerogear-unifiedpush-server,secondsun/aerogear-unifiedpush-server