Fix pluralization in docs [ci skip]
Fix pluralization in docs [ci skip]

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