Fix formatting error in concerns doc
Fix formatting error in concerns doc

vipulnsward/rails,tgxworld/rails,Envek/rails,joonyou/rails,EmmaB/rails-1,BlakeWilliams/rails,yalab/rails,kddeisz/rails,Erol/rails,tgxworld/rails,bogdanvlviv/rails,kmcphillips/rails,joonyou/rails,esparta/rails,Edouard-chin/rails,georgeclaghorn/rails,yalab/rails,MSP-Greg/rails,bogdanvlviv/rails,Envek/rails,BlakeWilliams/rails,Vasfed/rails,georgeclaghorn/rails,rails/rails,betesh/rails,eileencodes/rails,MSP-Greg/rails,kmcphillips/rails,eileencodes/rails,yahonda/rails,Vasfed/rails,betesh/rails,schuetzm/rails,bogdanvlviv/rails,lcreid/rails,Erol/rails,Edouard-chin/rails,Edouard-chin/rails,schuetzm/rails,rails/rails,EmmaB/rails-1,lcreid/rails,MSP-Greg/rails,kddeisz/rails,Erol/rails,eileencodes/rails,Vasfed/rails,bogdanvlviv/rails,betesh/rails,yahonda/rails,Envek/rails,rails/rails,tjschuck/rails,esparta/rails,kmcphillips/rails,yahonda/rails,yalab/rails,yawboakye/rails,rails/rails,Stellenticket/rails,esparta/rails,tjschuck/rails,schuetzm/rails,kmcphillips/rails,BlakeWilliams/rails,Envek/rails,Stellenticket/rails,tjschuck/rails,vipulnsward/rails,MSP-Greg/rails,yahonda/rails,Erol/rails,vipulnsward/rails,Edouard-chin/rails,yalab/rails,yawboakye/rails,tgxworld/rails,kddeisz/rails,Stellenticket/rails,eileencodes/rails,joonyou/rails,lcreid/rails,tjschuck/rails,yawboakye/rails,georgeclaghorn/rails,Stellenticket/rails,schuetzm/rails,kddeisz/rails,georgeclaghorn/rails,EmmaB/rails-1,joonyou/rails,esparta/rails,vipulnsward/rails,BlakeWilliams/rails,yawboakye/rails,tgxworld/rails,lcreid/rails,betesh/rails,Vasfed/rails