Update 3_2_release_notes.md
Update 3_2_release_notes.md

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