fix title capitalization for Reference sidebar
fix title capitalization for Reference sidebar
nullstyle/go-horizon,masonforest/go-horizon,nullstyle/go-horizon,stellar/horizon,masonforest/horizon,stellar/horizon,irisli/horizon,masonforest/horizon,irisli/horizon,stellar/horizon,masonforest/go-horizon,masonforest/go-horizon,irisli/horizon,nullstyle/go-horizon,masonforest/horizon