[PushNotifications] Fix formatting of doc.
[PushNotifications] Fix formatting of doc.

ACChe/eigen,orta/eigen,orta/eigen,zhuzhengwei/eigen,liduanw/eigen,ashkan18/eigen,ACChe/eigen,srrvnn/eigen,ashkan18/eigen,neonichu/eigen,Shawn-WangDapeng/eigen,neonichu/eigen,srrvnn/eigen,artsy/eigen,liduanw/eigen,ayunav/eigen,xxclouddd/eigen,neonichu/eigen,TribeMedia/eigen,srrvnn/eigen,ichu501/eigen,Shawn-WangDapeng/eigen,Havi4/eigen,gaurav1981/eigen,liduanw/eigen,ayunav/eigen,TribeMedia/eigen,TribeMedia/eigen,ichu501/eigen,foxsofter/eigen,ayunav/eigen,ichu501/eigen,artsy/eigen,artsy/eigen,liduanw/eigen,ashkan18/eigen,orta/eigen,gaurav1981/eigen,TribeMedia/eigen,ichu501/eigen,mbogh/eigen,srrvnn/eigen,xxclouddd/eigen,orta/eigen,artsy/eigen,Havi4/eigen,mbogh/eigen,ashkan18/eigen,ppamorim/eigen,ichu501/eigen,ACChe/eigen,srrvnn/eigen,ashkan18/eigen,Havi4/eigen,neonichu/eigen,liduanw/eigen,Shawn-WangDapeng/eigen,TribeMedia/eigen,ayunav/eigen,zhuzhengwei/eigen,ppamorim/eigen,foxsofter/eigen,xxclouddd/eigen,foxsofter/eigen,neonichu/eigen,ayunav/eigen,ppamorim/eigen,mbogh/eigen,gaurav1981/eigen,foxsofter/eigen,artsy/eigen,Shawn-WangDapeng/eigen,zhuzhengwei/eigen,ppamorim/eigen,artsy/eigen,Havi4/eigen,zhuzhengwei/eigen,xxclouddd/eigen,ACChe/eigen,mbogh/eigen,gaurav1981/eigen,artsy/eigen,Shawn-WangDapeng/eigen,gaurav1981/eigen,foxsofter/eigen,ACChe/eigen,xxclouddd/eigen