Mention that contributors should modify `try.html`.
Mention that contributors should modify `try.html`.

Fixes #131.

rayners/shields,Borgaard/shields,freezy-sk/shields,malditogeek/shields,krak3n/shields,rexxars/shields,krak3n/shields,dnvriend/shields,spalger/shields,jennifer421/shields,adjohnson916/shields,mahirk/shields,gcochard/shields,badges/shields,marktopper/shields,mateusrevoredo/shields,tomap/shields,pine613/shields,allenmanning/shields,Daniel15/shields,PeeHaa/shields,RIAEvangelist/shields,andyshinn/shields,HossainKhademian/Shields,igormukhingmailcom/shields,olivierlacan/shields,rexxars/shields,sebyddd/shields,szepeviktor/shields,tomap/shields,freezy-sk/shields,sanemat/shields,MGDIS/shields,allenmanning/shields,bishop335/shields,IveWong/shields,clintonhalpin/shields,wanji/shields,mkiisoft/shields,MatzFan/shields,mateusrevoredo/shields,zackp30/shields,sebyddd/shields,Borgaard/shields,MGDIS/shields,HossainKhademian/Shields,driskell/shields,adjohnson916/shields,bishop335/shields,jennifer421/shields,sanemat/shields,roomthily/shields,marktopper/shields,pine613/shields,dnvriend/shields,spalger/shields,rmuhamedgaliev/shields,clintonhalpin/shields,Toyz/ShieldCreator,Miovision/shields,badges/shields,mahirk/shields,IveWong/shields,Miovision/shields,driskell/shields,gcochard/shields,Daniel15/shields,igormukhingmailcom/shields,roomthily/shields,rayners/shields,malditogeek/shields,workhorsy/shields,RIAEvangelist/shields,zackp30/shields,piperchester/shields,piperchester/shields,badges/shields,rmuhamedgaliev/shields,workhorsy/shields,szepeviktor/shields,andyshinn/shields,MatzFan/shields,mkiisoft/shields,Miovision/shields,wanji/shields,PeeHaa/shields