minor fixes in the configuring guide [ci skip]
minor fixes in the configuring guide [ci skip]

iainbeeston/rails,kirs/rails-1,prathamesh-sonpatki/rails,rails/rails,repinel/rails,88rabbit/newRails,samphilipd/rails,vipulnsward/rails,rafaelfranca/omg-rails,fabianoleittes/rails,untidy-hair/rails,yasslab/railsguides.jp,maicher/rails,voray/rails,mathieujobin/reduced-rails-for-travis,bradleypriest/rails,schuetzm/rails,pvalena/rails,vipulnsward/rails,vipulnsward/rails,arunagw/rails,jeremy/rails,mijoharas/rails,illacceptanything/illacceptanything,arunagw/rails,kddeisz/rails,yalab/rails,gavingmiller/rails,gavingmiller/rails,illacceptanything/illacceptanything,arjes/rails,flanger001/rails,repinel/rails,utilum/rails,EmmaB/rails-1,starknx/rails,yahonda/rails,bolek/rails,tjschuck/rails,rossta/rails,travisofthenorth/rails,illacceptanything/illacceptanything,assain/rails,Stellenticket/rails,betesh/rails,rossta/rails,assain/rails,yahonda/rails,Erol/rails,voray/rails,arunagw/rails,baerjam/rails,kmcphillips/rails,betesh/rails,illacceptanything/illacceptanything,tjschuck/rails,coreyward/rails,iainbeeston/rails,aditya-kapoor/rails,eileencodes/rails,esparta/rails,MichaelSp/rails,marklocklear/rails,kaspth/rails,prathamesh-sonpatki/rails,bolek/rails,bolek/rails,schuetzm/rails,MSP-Greg/rails,hanystudy/rails,yhirano55/rails,shioyama/rails,riseshia/railsguides.kr,lcreid/rails,kmayer/rails,eileencodes/rails,untidy-hair/rails,georgeclaghorn/rails,xlymian/rails,deraru/rails,Sen-Zhang/rails,iainbeeston/rails,palkan/rails,yawboakye/rails,felipecvo/rails,joonyou/rails,Sen-Zhang/rails,tgxworld/rails,sergey-alekseev/rails,odedniv/rails,aditya-kapoor/rails,richseviora/rails,amoody2108/TechForJustice,kmayer/rails,kenta-s/rails,esparta/rails,ledestin/rails,Erol/rails,88rabbit/newRails,joonyou/rails,illacceptanything/illacceptanything,Vasfed/rails,EmmaB/rails-1,baerjam/rails,sergey-alekseev/rails,yasslab/railsguides.jp,stefanmb/rails,prathamesh-sonpatki/rails,kmayer/rails,kmcphillips/rails,samphilipd/rails,eileencodes/rails,pvalena/rails,brchristian/rails,betesh/rails,rails/rails,kamipo/rails,mtsmfm/rails,xlymian/rails,gfvcastro/rails,BlakeWilliams/rails,untidy-hair/rails,ttanimichi/rails,kddeisz/rails,Envek/rails,assain/rails,brchristian/rails,rbhitchcock/rails,felipecvo/rails,fabianoleittes/rails,esparta/rails,sealocal/rails,palkan/rails,yhirano55/rails,notapatch/rails,illacceptanything/illacceptanything,esparta/rails,mtsmfm/railstest,hanystudy/rails,joonyou/rails,Stellenticket/rails,rossta/rails,pschambacher/rails,matrinox/rails,EmmaB/rails-1,aditya-kapoor/rails,kenta-s/rails,lcreid/rails,lucasmazza/rails,georgeclaghorn/rails,illacceptanything/illacceptanything,kamipo/rails,brchristian/rails,jeremy/rails,shioyama/rails,pschambacher/rails,MSP-Greg/rails,yhirano55/rails,flanger001/rails,illacceptanything/illacceptanything,vassilevsky/rails,stefanmb/rails,illacceptanything/illacceptanything,mijoharas/rails,pvalena/rails,odedniv/rails,lcreid/rails,gfvcastro/rails,sergey-alekseev/rails,marklocklear/rails,shioyama/rails,illacceptanything/illacceptanything,printercu/rails,Vasfed/rails,alecspopa/rails,felipecvo/rails,printercu/rails,ttanimichi/rails,tijwelch/rails,88rabbit/newRails,alecspopa/rails,starknx/rails,flanger001/rails,tgxworld/rails,untidy-hair/rails,amoody2108/TechForJustice,ngpestelos/rails,schuetzm/rails,mtsmfm/railstest,tijwelch/rails,mtsmfm/rails,Edouard-chin/rails,bradleypriest/rails,matrinox/rails,riseshia/railsguides.kr,mohitnatoo/rails,Erol/rails,georgeclaghorn/rails,riseshia/railsguides.kr,illacceptanything/illacceptanything,vipulnsward/rails,rails/rails,deraru/rails,mechanicles/rails,mechanicles/rails,rafaelfranca/omg-rails,ngpestelos/rails,mohitnatoo/rails,Spin42/rails,schuetzm/rails,aditya-kapoor/rails,BlakeWilliams/rails,tjschuck/rails,bogdanvlviv/rails,yahonda/rails,joonyou/rails,kddeisz/rails,mtsmfm/rails,kddeisz/rails,pvalena/rails,vassilevsky/rails,arjes/rails,kirs/rails-1,MSP-Greg/rails,utilum/rails,Envek/rails,yawboakye/rails,mechanicles/rails,coreyward/rails,gfvcastro/rails,yalab/rails,koic/rails,notapatch/rails,ngpestelos/rails,kamipo/rails,pschambacher/rails,lcreid/rails,rails/rails,yhirano55/rails,repinel/rails,ledestin/rails,riseshia/railsguides.kr,Spin42/rails,mechanicles/rails,prathamesh-sonpatki/rails,notapatch/rails,gcourtemanche/rails,jeremy/rails,Stellenticket/rails,gcourtemanche/rails,repinel/rails,deraru/rails,mohitnatoo/rails,maicher/rails,odedniv/rails,BlakeWilliams/rails,yawboakye/rails,gavingmiller/rails,kaspth/rails,bogdanvlviv/rails,sealocal/rails,tgxworld/rails,kachick/rails,Stellenticket/rails,gauravtiwari/rails,utilum/rails,Sen-Zhang/rails,ttanimichi/rails,xlymian/rails,mohitnatoo/rails,tijwelch/rails,rafaelfranca/omg-rails,baerjam/rails,Spin42/rails,mathieujobin/reduced-rails-for-travis,gfvcastro/rails,marklocklear/rails,MichaelSp/rails,fabianoleittes/rails,yasslab/railsguides.jp,rbhitchcock/rails,rbhitchcock/rails,koic/rails,hanystudy/rails,yahonda/rails,kachick/rails,Envek/rails,amoody2108/TechForJustice,illacceptanything/illacceptanything,gauravtiwari/rails,illacceptanything/illacceptanyt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