Fix typo on error message when route definition is ambiguous.
Fix typo on error message when route definition is ambiguous.

Sen-Zhang/rails,yasslab/railsguides.jp,lcreid/rails,iainbeeston/rails,kirs/rails-1,EmmaB/rails-1,baerjam/rails,illacceptanything/illacceptanything,yalab/rails,rails/rails,illacceptanything/illacceptanything,deraru/rails,baerjam/rails,yahonda/rails,yalab/rails,Vasfed/rails,Sen-Zhang/rails,ledestin/rails,kaspth/rails,eileencodes/rails,mohitnatoo/rails,kamipo/rails,MSP-Greg/rails,travisofthenorth/rails,fabianoleittes/rails,Envek/rails,georgeclaghorn/rails,eileencodes/rails,assain/rails,joonyou/rails,gauravtiwari/rails,lcreid/rails,yhirano55/rails,kmayer/rails,gfvcastro/rails,joonyou/rails,yhirano55/rails,esparta/rails,esparta/rails,yahonda/rails,starknx/rails,iainbeeston/rails,fabianoleittes/rails,rails/rails,betesh/rails,esparta/rails,palkan/rails,aditya-kapoor/rails,betesh/rails,kmcphillips/rails,flanger001/rails,illacceptanything/illacceptanything,mohitnatoo/rails,untidy-hair/rails,rails/rails,kmayer/rails,printercu/rails,fabianoleittes/rails,MSP-Greg/rails,kmcphillips/rails,Edouard-chin/rails,mathieujobin/reduced-rails-for-travis,yhirano55/rails,EmmaB/rails-1,notapatch/rails,BlakeWilliams/rails,repinel/rails,jeremy/rails,lcreid/rails,koic/rails,pvalena/rails,vipulnsward/rails,kmcphillips/rails,printercu/rails,eileencodes/rails,maicher/rails,baerjam/rails,illacceptanything/illacceptanything,BlakeWilliams/rails,aditya-kapoor/rails,yawboakye/rails,aditya-kapoor/rails,kddeisz/rails,schuetzm/rails,Stellenticket/rails,shioyama/rails,kamipo/rails,fabianoleittes/rails,koic/rails,bogdanvlviv/rails,yalab/rails,prathamesh-sonpatki/rails,starknx/rails,mechanicles/rails,joonyou/rails,kmcphillips/rails,schuetzm/rails,MSP-Greg/rails,assain/rails,mohitnatoo/rails,mechanicles/rails,illacceptanything/illacceptanything,repinel/rails,tjschuck/rails,illacceptanything/illacceptanything,illacceptanything/illacceptanything,deraru/rails,matrinox/rails,hanystudy/rails,esparta/rails,odedniv/rails,yawboakye/rails,alecspopa/rails,Erol/rails,EmmaB/rails-1,ttanimichi/rails,ledestin/rails,Edouard-chin/rails,assain/rails,mohitnatoo/rails,yasslab/railsguides.jp,Edouard-chin/rails,tgxworld/rails,yawboakye/rails,vipulnsward/rails,arunagw/rails,Envek/rails,rails/rails,shioyama/rails,kaspth/rails,flanger001/rails,jeremy/rails,gfvcastro/rails,illacceptanything/illacceptanything,MSP-Greg/rails,notapatch/rails,yasslab/railsguides.jp,prathamesh-sonpatki/rails,printercu/rails,Sen-Zhang/rails,utilum/rails,kaspth/rails,felipecvo/rails,matrinox/rails,yahonda/rails,tjschuck/rails,Erol/rails,baerjam/rails,gcourtemanche/rails,utilum/rails,yalab/rails,utilum/rails,ledestin/rails,assain/rails,kirs/rails-1,palkan/rails,jeremy/rails,georgeclaghorn/rails,maicher/rails,illacceptanything/illacceptanything,prathamesh-sonpatki/rails,untidy-hair/rails,Stellenticket/rails,iainbeeston/rails,travisofthenorth/rails,BlakeWilliams/rails,Stellenticket/rails,starknx/rails,pvalena/rails,brchristian/rails,gfvcastro/rails,Envek/rails,illacceptanything/illacceptanything,BlakeWilliams/rails,alecspopa/rails,illacceptanything/illacceptanything,felipecvo/rails,tgxworld/rails,arunagw/rails,Erol/rails,arunagw/rails,travisofthenorth/rails,yhirano55/rails,ttanimichi/rails,felipecvo/rails,pvalena/rails,illacceptanything/illacceptanything,Edouard-chin/rails,georgeclaghorn/rails,notapatch/rails,kmayer/rails,bogdanvlviv/rails,repinel/rails,vipulnsward/rails,ttanimichi/rails,betesh/rails,brchristian/rails,hanystudy/rails,deraru/rails,flanger001/rails,tgxworld/rails,alecspopa/rails,aditya-kapoor/rails,matrinox/rails,palkan/rails,schuetzm/rails,gauravtiwari/rails,jeremy/rails,illacceptanything/illacceptanything,Vasfed/rails,eileencodes/rails,untidy-hair/rails,schuetzm/rails,kddeisz/rails,kamipo/rails,yahonda/rails,deraru/rails,odedniv/rails,kddeisz/rails,koic/rails,tjschuck/rails,bogdanvlviv/rails,mathieujobin/reduced-rails-for-travis,printercu/rails,maicher/rails,mechanicles/rails,Vasfed/rails,tjschuck/rails,shioyama/rails,Vasfed/rails,iainbeeston/rails,mathieujobin/reduced-rails-for-travis,mechanicles/rails,vipulnsward/rails,lcreid/rails,shioyama/rails,travisofthenorth/rails,rafaelfranca/omg-rails,untidy-hair/rails,gcourtemanche/rails,prathamesh-sonpatki/rails,Erol/rails,rafaelfranca/omg-rails,palkan/rails,Envek/rails,notapatch/rails,utilum/rails,bogdanvlviv/rails,kirs/rails-1,gauravtiwari/rails,repinel/rails,betesh/rails,odedniv/rails,hanystudy/rails,georgeclaghorn/rails,rafaelfranca/omg-rails,joonyou/rails,tgxworld/rails,brchristian/rails,kddeisz/rails,illacceptanything/illacceptanything,yawboakye/rails,Stellenticket/rails,flanger001/rails,arunagw/rails,yasslab/railsguides.jp,pvalena/rails,gfvcastro/rails,illacceptanything/illacceptanything,gcourtemanche/rails