Fix #1494 - Clarify documentation for `off`.
Fix #1494 - Clarify documentation for `off`.

ywenjinlin/backbone,fanhc019/backbone,sumyfly/backbone,heroazure/backbone,feychenie/backbone,zhangdimelody/backbone,au-phiware/backbone,cgvarela/backbone,Aplopio/backbone,ppker/backbone,getshuvo/backbone,vin100bk/backbone,guahanweb/backbone,componentizr/backbone,nvoron23/backbone,nikolas/backbone,liudianpeng/backbone,howtolearntocode/backbone,akre54/backbone,pandoraui/backbone,dcheepurupalli/backbone,gfranko/backbone,embarknow/backbone,cailong1028/backbone,Niades/backbone,mmolinastudio/backbone,closeio/backbone,lujocom/backbone,jewsroch/backbone,tadwhitaker/backbone,npmcomponent/solutionio-backbone,aihua/backbone,Akkuma/backbone,ThisIsManta/Backbone,7213/backbone,cailong1028/backbone,ThiagoGarciaAlves/backbone,Flip120/backbone,gitterHQ/backbone,GrimDerp/backbone,batigoal1980/backbone_example,cgvarela/backbone,premkumargithub/backbone,zdespolit/backbone,gougouGet/backbone,LovelyL25/backbone.js,neocotic/hipbone,honger05/backbone,huanglp47/backbone,ThiagoGarciaAlves/backbone,vincent1988/backbone,lastjune/backbone,luffy94608/backbone,Diwahars/backbone,Bug2014/backbone,streamablevideo/backbone,npmcomponent/solutionio-backbone,gdi2290/backbone,Aplopio/backbone,mrblueblue/backbone,antoniogarrote/backbone,zdespolit/backbone,GerHobbelt/backbone,mmolinastudio/backbone,youprofit/backbone,jstrimpel/backbone,braddunbar/backbone,rashmisajjan/backbone,zhoufan879/backbone,webcoding/backbone,braddunbar/backbone,jungjung917/backbone,gmaclennan/backbone,Flip120/backbone,amitpatange88/backbonejs,Connectlegendary/backbone,gfranko/backbone,yawenl/backbone,dillonforrest/backbone-df,howtolearntocode/backbone,IsoldaJS/isolda-models,JesseQin/backbone,akre54/backbone,edgeware/backbone,maryrosecook/backbone-df-2,dillonforrest/backbone-df-2,fanhc019/backbone,webapp/library,maryrosecook/backbone-df,ereddate/backbone,ebsco/backbone,zgl2007dj/backbone,paulfalgout/backbone,aihua/backbone,jmeas/backbone,ntgn81/backbone,webcoding/backbone,chyeh727/backbone,IsoldaJS/isolda-pubsub,darrrk/backbone,paulfalgout/backbone,mrblueblue/backbone,zhangwei001/backbone,Krasnyanskiy/backbone,premkumargithub/backbone,nikolas/backbone,wangdahoo/backbone,maryrosecook/backbone-df-2,virtru-components/backbone,ywenjinlin/backbone,elma-cao/backbone,darrrk/backbone,amdjs/backbone,craigmichaelmartin/backbone,leimd/backbone,jstrimpel/backbone,jashkenas/backbone,zhangdimelody/backbone,ppker/backbone,sitexa/backbone,udhayam/backbone,ridixcr/backbone,wxmfront/backbone,dak/backbone,tibic/backbone,jordansexton/backboner,Connectlegendary/backbone,DannyDelott/backbone,moimikey/backbone,guahanweb/backbone,elancom/backbone,jmeas/backbone,youprofit/backbone,dak/backbone,GrimDerp/backbone,nvoron23/backbone,zhoufan879/backbone,yuhualingfeng/backbone,kuychaco/backbone,Sachin-Ganesh/backbone,amitpatange88/backbonejs,wakanpaladin/mybackbone,7213/backbone,FormidableLabs/backbone,au-phiware/backbone,sitexa/backbone,dillonforrest/backbone-df,mpapp/backbone,vin100bk/backbone,tibic/backbone,ohbarye/backbone,oss-practice/backbone,tadwhitaker/backbone,jasoncbautista/backboneX,ridixcr/backbone,edgeware/backbone,Sachin-Ganesh/backbone,closeio/backbone,lujocom/backbone,chyeh727/backbone,alekskorolev/lightbones,ThisIsManta/Backbone,embarknow/backbone,Krasnyanskiy/backbone,jridgewell/backbone,pandoraui/backbone,dillonforrest/backbone-df,platinumazure/backbone,tgriesser/backbone,wakanpaladin/mybackbone,DannyDelott/backbone,Diwahars/backbone,sueyeh/backbone,jungjung917/backbone,platinumazure/backbone,ereddate/backbone,Khan/backbone,leimd/backbone,maryrosecook/backbone-df,gmaclennan/backbone,udhayam/backbone,streamablevideo/backbone,luffy94608/backbone,batigoal1980/backbone_example,craigmichaelmartin/backbone,Khan/backbone,jashkenas/backbone,JesseQin/backbone,jewsroch/backbone,heroazure/backbone,timebackzhou/backbone,feychenie/backbone,megawac/backbone,huanglp47/backbone,wxmfront/backbone,moccen/backbone,wangcan2014/backbone,moccen/backbone,trizko/backbone,webapp/library,npmcomponent/jashkenas-backbone,honger05/backbone,wangdahoo/backbone,trizko/backbone,wushuyi/backbone,sunday-star/backbone,wjb12/backbone,elancom/backbone,dillonforrest/backbone-df-2,Niades/backbone,FishbaitHarry/backbone,hugohua/backbone,sueyeh/backbone,dcheepurupalli/backbone,ebsco/backbone,anhtholee/backbone,ntgn81/backbone,moimikey/backbone,getshuvo/backbone,liudianpeng/backbone,wangcan2014/backbone,jridgewell/backbone,dillonforrest/backbone-df-2,guigrpa/backbone,anhtholee/backbone,rashmisajjan/backbone,elma-cao/backbone,rjz/boneless,timebackzhou/backbone,LovelyL25/backbone.js,zgl2007dj/backbone,zhangwei001/backbone,yuhualingfeng/backbone,Aplopio/backbone,FishbaitHarry/backbone,wushuyi/backbone,maryrosecook/backbone-df-2,maryrosecook/backbone-df,wjb12/backbone,linalu1/backbone,ohbarye/backbone,sumyfly/backbone,Bug2014/backbone,neocotic/hipbone,sunday-star/backbone,tzkKrbys/backbone,tzkKrbys/backbone,linalu1/backbone,Khan/backbone,vincent1988/backbone,lastjune/backbone,yawenl/backbone,gougouGet/backbone,alekskorolev/lightbones,GerHobbelt/backbone,kuychaco/backbone