fix documentation, see https://github.com/jadejs/jade/issues/1970
fix documentation, see https://github.com/jadejs/jade/issues/1970

Laoujin/jade,cgvarela/jade,colin-h/jade,rajnishyadav321/jade,jjz/jade,rajnishyadav321/jade,jodytate/jade,webskyer/jade,mrotaru/jade,magicdawn/jade,bogus34/jade-vfs,muthhus/jade,webmasteraxe/jade,jodytate/jade,cgvarela/jade,modulexcite/jade,pugjs/jade,Shinchy/jade,cesarmarinhorj/jade,webskyer/jade,coderhaoxin/jade,tranhieutt/jade,Laoujin/jade,pugjs/pug,coderhaoxin/jade,ridixcr/jade,tranhieutt/jade,martindale/jade,cesarmarinhorj/jade,jjz/jade,webmasteraxe/jade,ilovezy/jade,pugjs/then-jade,hnag409/jade,Victorgichohi/jade,fredyteheranto/jade,angryrobot/jade,mrotaru/jade,mumaoxi/jade,cutsin/jade,jirengu/jade,jirengu/jade,gdibble/jade,gexiaowei/jade,mumaoxi/jade,angrilove/jade,modulexcite/jade,angryrobot/jade,angrilove/jade,illusionfield/jade,gdibble/jade,illusionfield/jade,ceremcem/jade,jadejs/then-jade,pugjs/jade,magicdawn/jade,colin-h/jade,pugjs/then-jade,Victorgichohi/jade,ilovezy/jade,jadejs/then-jade,omixen/jade,cutsin/jade,Shinchy/jade,fredyteheranto/jade,VeraWei/jade,Mitrend/jade,pugjs/pug,hnag409/jade,martindale/jade,bogus34/jade-vfs,VeraWei/jade,Mitrend/jade,ridixcr/jade,muthhus/jade,gexiaowei/jade,omixen/jade