Fix incorrect url in guide [ci skip]
Fix incorrect url in guide [ci skip]

The example functional test lists the 'create' route as article_url rather than articles_url
gauravtiwari/rails,palkan/rails,starknx/rails,repinel/rails,esparta/rails,palkan/rails,kddeisz/rails,jeremy/rails,shioyama/rails,kmcphillips/rails,iainbeeston/rails,rafaelfranca/omg-rails,starknx/rails,repinel/rails,mechanicles/rails,Vasfed/rails,shioyama/rails,betesh/rails,mechanicles/rails,BlakeWilliams/rails,lcreid/rails,rails/rails,kddeisz/rails,arunagw/rails,joonyou/rails,rails/rails,Vasfed/rails,georgeclaghorn/rails,georgeclaghorn/rails,yhirano55/rails,tjschuck/rails,yalab/rails,fabianoleittes/rails,notapatch/rails,flanger001/rails,yahonda/rails,schuetzm/rails,jeremy/rails,betesh/rails,repinel/rails,shioyama/rails,fabianoleittes/rails,vipulnsward/rails,Envek/rails,palkan/rails,georgeclaghorn/rails,eileencodes/rails,vipulnsward/rails,MSP-Greg/rails,iainbeeston/rails,esparta/rails,tgxworld/rails,tgxworld/rails,notapatch/rails,schuetzm/rails,eileencodes/rails,kddeisz/rails,mechanicles/rails,notapatch/rails,eileencodes/rails,yhirano55/rails,georgeclaghorn/rails,arunagw/rails,prathamesh-sonpatki/rails,repinel/rails,yhirano55/rails,yawboakye/rails,Vasfed/rails,EmmaB/rails-1,Stellenticket/rails,rafaelfranca/omg-rails,shioyama/rails,yahonda/rails,yawboakye/rails,tgxworld/rails,esparta/rails,tjschuck/rails,prathamesh-sonpatki/rails,BlakeWilliams/rails,jeremy/rails,Edouard-chin/rails,fabianoleittes/rails,rafaelfranca/omg-rails,gauravtiwari/rails,Envek/rails,EmmaB/rails-1,Erol/rails,kmcphillips/rails,rails/rails,iainbeeston/rails,Envek/rails,lcreid/rails,flanger001/rails,schuetzm/rails,tgxworld/rails,Stellenticket/rails,Stellenticket/rails,palkan/rails,schuetzm/rails,starknx/rails,Edouard-chin/rails,joonyou/rails,Edouard-chin/rails,arunagw/rails,EmmaB/rails-1,yawboakye/rails,bogdanvlviv/rails,Vasfed/rails,lcreid/rails,betesh/rails,yawboakye/rails,betesh/rails,yalab/rails,mechanicles/rails,yhirano55/rails,Edouard-chin/rails,Erol/rails,bogdanvlviv/rails,MSP-Greg/rails,joonyou/rails,yahonda/rails,prathamesh-sonpatki/rails,kmcphillips/rails,Erol/rails,yahonda/rails,BlakeWilliams/rails,yalab/rails,fabianoleittes/rails,MSP-Greg/rails,iainbeeston/rails,rails/rails,vipulnsward/rails,vipulnsward/rails,Stellenticket/rails,Envek/rails,notapatch/rails,BlakeWilliams/rails,kmcphillips/rails,tjschuck/rails,tjschuck/rails,esparta/rails,bogdanvlviv/rails,Erol/rails,bogdanvlviv/rails,arunagw/rails,flanger001/rails,joonyou/rails,prathamesh-sonpatki/rails,lcreid/rails,yalab/rails,MSP-Greg/rails,eileencodes/rails,gauravtiwari/rails,jeremy/rails,flanger001/rails,kddeisz/rails