Correct Attachment#valid? doc.
Correct Attachment#valid? doc.

carnivalmobile/paperclip,victorngkp/paperclip,greatbody/paperclip,zurb/paperclip,Leadformance/paperclip,betesh/paperclip,ScotterC/paperclip,bdewater/paperclip,joshisa/paperclip,best-teacher/paperclip-old,gfvcastro/paperclip,keathley/paperclip,maintux/paperclip,pandamako/paperclip,dgynn/paperclip,crowdtap/paperclip,frankpinto/paperclip,raow/paperclip,12spokes/paperclip,pandamako/paperclip,mehulkar/paperclip,mdkalish/paperclip,hooroo/paperclip,justanshulsharma/paperclip,Cohealo/paperclip,alexandrz/paperclip,medcat/paperclip,howaboutwe/paperclip,onursarikaya/paperclip,Flameeyes/paperclip,mrb/paperclip,pcorliss/paperclip,peterpunk/metal-paperclip,manorie/paperclip,ScotterC/paperclip,mehulkar/paperclip,tiegz/paperclip,cmaion/paperclip,maintux/paperclip,alexandrz/paperclip,bryanl/paperclip,frankpinto/paperclip,InesCARodrigues/paperclip,medcat/paperclip,dosire/paperclip,sijn/paperclip-fork,gilabrantes/paperclip,mrgilman/paperclip,Sporky023/paperclip,quadule/paperclip,liveminds/paperclip,mrb/paperclip,agcantarelli/paperclip,tylerwillingham/paperclip,tylerwillingham/paperclip,Sporky023/paperclip,raow/paperclip,InesCARodrigues/paperclip,sopheak-se/paperclip,aditya01933/paperclip,Leadformance/paperclip,pcreux/paperclip,freeslugs/paperclip,rpbaptist/paperclip,mdkalish/paperclip,keathley/paperclip,rpbaptist/paperclip,meskyanichi/paperclip,agcantarelli/paperclip,tooky/paperclip,fxposter/paperclip,tiegz/paperclip,manorie/paperclip,bookis/paperclip,soramugi/paperclip,degica/paperclip,soramugi/paperclip,sopheak-se/paperclip,itkin/paperclip,betesh/paperclip,LongMan/paperclip,mrgilman/paperclip,victorngkp/paperclip,pc-doctor/paperclip,fivepointssolutions/paperclip,degica/paperclip,liveminds/paperclip,yukas/paperclip,crowdtap/paperclip,bdewater/paperclip,felipemathies/paperclip,danielwanja/paperclip,gfvcastro/paperclip,aditya01933/paperclip,jonathandean/paperclip_tod,felipemathies/paperclip,justanshulsharma/paperclip,freeslugs/paperclip,cmaion/paperclip,kerrizor/paperclip,Cohealo/paperclip,sideci-sample/sideci-sample-paperclip,joshisa/paperclip,zurb/paperclip,meskyanichi/paperclip-cloudfiles,dgynn/paperclip,onursarikaya/paperclip,carnivalmobile/paperclip,greatbody/paperclip