Update comments to match precache help
Update comments to match precache help

Hixie/flutter,flutter/flutter,tvolkert/flutter,cbracken/flutter,tvolkert/flutter,cbracken/flutter,tvolkert/flutter,cbracken/flutter,Hixie/flutter,cbracken/flutter,flutter/flutter,flutter/flutter,flutter/flutter,cbracken/flutter,flutter/flutter,Hixie/flutter,cbracken/flutter,tvolkert/flutter,tvolkert/flutter,Hixie/flutter,Hixie/flutter,cbracken/flutter,tvolkert/flutter,Hixie/flutter,Hixie/flutter,flutter/flutter,flutter/flutter,flutter/flutter,Hixie/flutter,tvolkert/flutter,Hixie/flutter,tvolkert/flutter,tvolkert/flutter,Hixie/flutter,tvolkert/flutter,cbracken/flutter,cbracken/flutter,cbracken/flutter,flutter/flutter,flutter/flutter