Improve doc for :root option in as_json() [ci skip]
Improve doc for :root option in as_json() [ci skip]

Remove trailing whitespace [ci skip]

Reword

Root value should be string [ci skip]

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