[ci skip] Fix confusing sentence in upgrade guide
[ci skip] Fix confusing sentence in upgrade guide

BlakeWilliams/rails,starknx/rails,yawboakye/rails,Edouard-chin/rails,vipulnsward/rails,Erol/rails,repinel/rails,prathamesh-sonpatki/rails,rails/rails,yalab/rails,rafaelfranca/omg-rails,prathamesh-sonpatki/rails,Vasfed/rails,georgeclaghorn/rails,tgxworld/rails,yalab/rails,tjschuck/rails,gauravtiwari/rails,schuetzm/rails,Envek/rails,MSP-Greg/rails,yalab/rails,iainbeeston/rails,Envek/rails,fabianoleittes/rails,esparta/rails,rails/rails,BlakeWilliams/rails,yawboakye/rails,lcreid/rails,betesh/rails,esparta/rails,eileencodes/rails,arunagw/rails,yahonda/rails,iainbeeston/rails,yahonda/rails,Stellenticket/rails,vipulnsward/rails,yhirano55/rails,tjschuck/rails,flanger001/rails,georgeclaghorn/rails,eileencodes/rails,gauravtiwari/rails,mechanicles/rails,prathamesh-sonpatki/rails,jeremy/rails,yalab/rails,MSP-Greg/rails,lcreid/rails,Stellenticket/rails,flanger001/rails,kmcphillips/rails,Stellenticket/rails,Envek/rails,lcreid/rails,yahonda/rails,mechanicles/rails,vipulnsward/rails,palkan/rails,kmcphillips/rails,gauravtiwari/rails,jeremy/rails,Erol/rails,joonyou/rails,palkan/rails,betesh/rails,Envek/rails,Vasfed/rails,jeremy/rails,kddeisz/rails,BlakeWilliams/rails,starknx/rails,MSP-Greg/rails,notapatch/rails,bogdanvlviv/rails,eileencodes/rails,Erol/rails,bogdanvlviv/rails,Edouard-chin/rails,arunagw/rails,joonyou/rails,flanger001/rails,betesh/rails,eileencodes/rails,fabianoleittes/rails,arunagw/rails,bogdanvlviv/rails,Edouard-chin/rails,tgxworld/rails,yhirano55/rails,starknx/rails,iainbeeston/rails,tjschuck/rails,Vasfed/rails,esparta/rails,mechanicles/rails,EmmaB/rails-1,yhirano55/rails,palkan/rails,rails/rails,notapatch/rails,Erol/rails,schuetzm/rails,palkan/rails,mechanicles/rails,repinel/rails,EmmaB/rails-1,betesh/rails,notapatch/rails,shioyama/rails,prathamesh-sonpatki/rails,flanger001/rails,Vasfed/rails,yawboakye/rails,tjschuck/rails,kddeisz/rails,schuetzm/rails,esparta/rails,notapatch/rails,EmmaB/rails-1,rafaelfranca/omg-rails,bogdanvlviv/rails,schuetzm/rails,shioyama/rails,jeremy/rails,georgeclaghorn/rails,yawboakye/rails,yhirano55/rails,fabianoleittes/rails,rafaelfranca/omg-rails,MSP-Greg/rails,yahonda/rails,repinel/rails,BlakeWilliams/rails,shioyama/rails,kmcphillips/rails,kddeisz/rails,arunagw/rails,Stellenticket/rails,tgxworld/rails,tgxworld/rails,joonyou/rails,shioyama/rails,georgeclaghorn/rails,Edouard-chin/rails,lcreid/rails,rails/rails,repinel/rails,kddeisz/rails,vipulnsward/rails,joonyou/rails,fabianoleittes/rails,kmcphillips/rails,iainbeeston/rails