Fix typo in Rails Guides [ci skip]
Fix typo in Rails Guides [ci skip]

bolek/rails,yasslab/railsguides.jp,yawboakye/rails,yawboakye/rails,Vasfed/rails,rbhitchcock/rails,aditya-kapoor/rails,prathamesh-sonpatki/rails,lucasmazza/rails,illacceptanything/illacceptanything,matrinox/rails,notapatch/rails,kenta-s/rails,riseshia/railsguides.kr,gfvcastro/rails,palkan/rails,matrinox/rails,utilum/rails,kddeisz/rails,MichaelSp/rails,odedniv/rails,richseviora/rails,assain/rails,bradleypriest/rails,Erol/rails,coreyward/rails,rbhitchcock/rails,repinel/rails,elfassy/rails,printercu/rails,tijwelch/rails,MSP-Greg/rails,amoody2108/TechForJustice,felipecvo/rails,baerjam/rails,kmayer/rails,arunagw/rails,utilum/rails,hanystudy/rails,sealocal/rails,esparta/rails,mohitnatoo/rails,MSP-Greg/rails,vipulnsward/rails,assain/rails,yasslab/railsguides.jp,palkan/rails,mohitnatoo/rails,kenta-s/rails,sealocal/rails,notapatch/rails,illacceptanything/illacceptanything,mathieujobin/reduced-rails-for-travis,Spin42/rails,vipulnsward/rails,EmmaB/rails-1,betesh/rails,rafaelfranca/omg-rails,kamipo/rails,yahonda/rails,ttanimichi/rails,Vasfed/rails,stefanmb/rails,illacceptanything/illacceptanything,kddeisz/rails,arunagw/rails,gavingmiller/rails,esparta/rails,rails/rails,Sen-Zhang/rails,Stellenticket/rails,gauravtiwari/rails,travisofthenorth/rails,richseviora/rails,amoody2108/TechForJustice,kenta-s/rails,gauravtiwari/rails,mtsmfm/rails,ttanimichi/rails,kmcphillips/rails,jeremy/rails,shioyama/rails,kaspth/rails,Stellenticket/rails,kaspth/rails,maicher/rails,voray/rails,brchristian/rails,deraru/rails,bradleypriest/rails,kachick/rails,alecspopa/rails,hanystudy/rails,printercu/rails,kachick/rails,hanystudy/rails,gfvcastro/rails,lcreid/rails,vipulnsward/rails,amoody2108/TechForJustice,baerjam/rails,illacceptanything/illacceptanything,yalab/rails,joonyou/rails,prathamesh-sonpatki/rails,MichaelSp/rails,yalab/rails,fabianoleittes/rails,mechanicles/rails,yawboakye/rails,repinel/rails,esparta/rails,assain/rails,bogdanvlviv/rails,pvalena/rails,joonyou/rails,sergey-alekseev/rails,untidy-hair/rails,odedniv/rails,ledestin/rails,untidy-hair/rails,untidy-hair/rails,Stellenticket/rails,palkan/rails,tgxworld/rails,vipulnsward/rails,schuetzm/rails,BlakeWilliams/rails,shioyama/rails,riseshia/railsguides.kr,lcreid/rails,eileencodes/rails,bogdanvlviv/rails,mijoharas/rails,bradleypriest/rails,kmcphillips/rails,eileencodes/rails,Spin42/rails,betesh/rails,mechanicles/rails,kaspth/rails,mechanicles/rails,Spin42/rails,betesh/rails,samphilipd/rails,tgxworld/rails,koic/rails,pschambacher/rails,MSP-Greg/rails,rails/rails,jeremy/rails,kirs/rails-1,gfvcastro/rails,kmcphillips/rails,rbhitchcock/rails,ngpestelos/rails,yasslab/railsguides.jp,eileencodes/rails,coreyward/rails,richseviora/rails,travisofthenorth/rails,mtsmfm/rails,gavingmiller/rails,odedniv/rails,stefanmb/rails,illacceptanything/illacceptanything,kddeisz/rails,illacceptanything/illacceptanything,BlakeWilliams/rails,yhirano55/rails,Edouard-chin/rails,lcreid/rails,repinel/rails,pvalena/rails,alecspopa/rails,rossta/rails,koic/rails,samphilipd/rails,georgeclaghorn/rails,rafaelfranca/omg-rails,rossta/rails,tjschuck/rails,maicher/rails,schuetzm/rails,EmmaB/rails-1,rossta/rails,mijoharas/rails,shioyama/rails,printercu/rails,kmayer/rails,marklocklear/rails,Vasfed/rails,pvalena/rails,coreyward/rails,ttanimichi/rails,notapatch/rails,ledestin/rails,arunagw/rails,Envek/rails,fabianoleittes/rails,BlakeWilliams/rails,mtsmfm/railstest,travisofthenorth/rails,lucasmazza/rails,fabianoleittes/rails,yhirano55/rails,baerjam/rails,marklocklear/rails,untidy-hair/rails,pschambacher/rails,travisofthenorth/rails,yalab/rails,pvalena/rails,bolek/rails,Envek/rails,MSP-Greg/rails,lucasmazza/rails,baerjam/rails,iainbeeston/rails,elfassy/rails,alecspopa/rails,yalab/rails,mathieujobin/reduced-rails-for-travis,illacceptanything/illacceptanything,Sen-Zhang/rails,eileencodes/rails,felipecvo/rails,maicher/rails,xlymian/rails,Edouard-chin/rails,prathamesh-sonpatki/rails,esparta/rails,mechanicles/rails,tijwelch/rails,georgeclaghorn/rails,palkan/rails,kmcphillips/rails,illacceptanything/illacceptanything,iainbeeston/rails,shioyama/rails,illacceptanything/illacceptanything,ngpestelos/rails,arjes/rails,starknx/rails,ledestin/rails,sergey-alekseev/rails,georgeclaghorn/rails,aditya-kapoor/rails,mtsmfm/railstest,mtsmfm/rails,Erol/rails,kachick/rails,yawboakye/rails,EmmaB/rails-1,aditya-kapoor/rails,Erol/rails,utilum/rails,mtsmfm/railstest,flanger001/rails,illacceptanything/illacceptanything,stefanmb/rails,tjschuck/rails,riseshia/railsguides.kr,gavingmiller/rails,bogdanvlviv/rails,arunagw/rails,utilum/rails,sealocal/rails,mohitnatoo/rails,lcreid/rails,flanger001/rails,illacceptanything/illacceptanything,notapatch/rails,joonyou/rails,sergey-alekseev/rails,deraru/rails,bolek/rails,schuetzm/rails,aditya-kapoor/rails,tgxworld/rails,tgxworld/rails,printercu/rails,brchristian/rails,gcourtemanche/rails,schuetzm/rails,MichaelSp/rails,Envek/rails,felipecvo/rails,illacceptanything/illacceptanything,yhirano55/rails,fabianoleittes/rails,elfassy/rails,pschambacher/rails,kamipo/rails,rails/rails,yahonda/rails,samphilipd/rails,illacceptanything/illacceptanything,deraru/rails,mijoharas/rails,tjschuck/rails,BlakeWilliams/rails,gfvcastro/rails,riseshia/railsguides.kr,jeremy/rails,yasslab/railsguides.jp,brchristian/rails,joonyou/rails,arjes/rails,rails/rails,starknx/rails,Vasfed/rails,yahonda/rails,kirs/rails-1,voray/rails,illacceptanything/illacceptanything,bogdanvlviv/rails,rafaelfranca/omg-rails,yhirano55/rails,xlymian/rails,repinel/rails,starknx/rails,georgeclaghorn/rails,illacceptanything/illacceptanything,marklocklear/rails,ngpestelos/rails,iainbeeston/rails,Envek/rails,Edouard-chin/rails,tjschuck/rails,Sen-Zhang/rails,flanger001/rails,kddeisz/rails,kirs/rails-1,Edouard-chin/rails,koic/rails,xlymian/rails,mathieujobin/reduced-rails-for-travis,prathamesh-sonpatki/rails,assain/rails,yahonda/rails,tijwelch/rails,gcourtemanche/rails,Erol/rails,Stellenticket/rails,flanger001/rails,gcourtemanche/rails,kamipo/rails,betesh/rails,gauravtiwari/rails,mohitnatoo/rails,jeremy/rails,voray/rails,matrinox/rails,iainbeeston/rails,deraru/rails,arjes/rails,kmayer/rails