Migrations guide: minor typos corrected
Migrations guide: minor typos corrected

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