minor changes in migrations guide
minor changes in migrations guide

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