 Merge branch 'fix-grammar-help-webhooks' into 'master'
 Merge branch 'fix-grammar-help-webhooks' into 'master'

Fix grammar and typos in Webhooks help

This MR gets rid of some typos and wrong grammar in [help/web_hooks](https://gitlab.com/help/web_hooks).

nmav/gitlabhq,mr-dxdy/gitlabhq,koreamic/gitlabhq,nmav/gitlabhq,pkgr/gitlabhq,szechyjs/gitlabhq,jrjang/gitlab-ce,fgbreel/gitlabhq,delkyd/gitlabhq,yulchitaj/TEST3,ksoichiro/gitlabhq,Burick/gitlabhq,DanielZhangQingLong/gitlabhq,tim-hoff/gitlabhq,axilleas/gitlabhq,icedwater/gitlabhq,dplarson/gitlabhq,hq804116393/gitlabhq,hq804116393/gitlabhq,akumetsuv/gitlab,folpindo/gitlabhq,dukex/gitlabhq,hacsoc/gitlabhq,koreamic/gitlabhq,gopeter/gitlabhq,daiyu/gitlab-zh,folpindo/gitlabhq,NKMR6194/gitlabhq,salipro4ever/gitlabhq,bladealslayer/gitlabhq,revaret/gitlabhq,michaKFromParis/sparkslab,8thcolor/testing-public-gitlabhq,gorgee/gitlabhq,xuvw/gitlabhq,louahola/gitlabhq,salipro4ever/gitlabhq,folpindo/gitlabhq,fendoudeqingchunhh/gitlabhq,mrb/gitlabhq,kemenaran/gitlabhq,zrbsprite/gitlabhq,zBMNForks/gitlabhq,openwide-java/gitlabhq,larryli/gitlabhq,lvfeng1130/gitlabhq,mmkassem/gitlabhq,sekcheong/gitlabhq,yfaizal/gitlabhq,luzhongyang/gitlabhq,iiet/iiet-git,SkyWei/gitlabhq,H3Chief/gitlabhq,stoplightio/gitlabhq,chenrui2014/gitlabhq,salipro4ever/gitlabhq,hzy001/gitlabhq,aaronsnyder/gitlabhq,ksoichiro/gitlabhq,martijnvermaat/gitlabhq,Kambda/mobbr-gitlabhq,yama07/gitlabhq,michaKFromParis/gitlabhqold,mmkassem/gitlabhq,vjustov/gitlabhq,nguyen-tien-mulodo/gitlabhq,louahola/gitlabhq,sekcheong/gitlabhq,rebecamendez/gitlabhq,Tyrael/gitlabhq,nguyen-tien-mulodo/gitlabhq,rebecamendez/gitlabhq,ZeoAlliance/gitlabhq,htve/GitlabForChinese,yfaizal/gitlabhq,sue445/gitlabhq,zBMNForks/gitlabhq,pulkit21/gitlabhq,johnmyqin/gitlabhq,Telekom-PD/gitlabhq,shinexiao/gitlabhq,NARKOZ/gitlabhq,Kambda/mobbr-gitlabhq,Razer6/gitlabhq,per-garden/gitlabhq,theonlydoo/gitlabhq,axilleas/gitlabhq,Exeia/gitlabhq,since2014/gitlabhq,bladealslayer/gitlabhq,xuvw/gitlabhq,allistera/gitlabhq,fendoudeqingchunhh/gitlabhq,martijnvermaat/gitlabhq,jirutka/gitlabhq,cui-liqiang/gitlab-ce,NARKOZ/gitlabhq,lvfeng1130/gitlabhq,ttasanen/gitlabhq,shinexiao/gitlabhq,cui-liqiang/gitlab-ce,pulkit21/gitlabhq,LytayTOUCH/gitlabhq,Devin001/gitlabhq,larryli/gitlabhq,ttasanen/gitlabhq,jrjang/gitlab-ce,stellamiranda/mobbr-gitlabhq,fscherwi/gitlabhq,ngpestelos/gitlabhq,stellamiranda/mobbr-gitlabhq,zBMNForks/gitlabhq,theonlydoo/gitlabhq,OtkurBiz/gitlabhq,yulchitaj/TEST3,Razer6/gitlabhq,ZeoAlliance/gitlabhq,delkyd/gitlabhq,dwrensha/gitlabhq,SVArago/gitlabhq,sekcheong/gitlabhq,bozaro/gitlabhq,vjustov/gitlabhq,flashbuckets/gitlabhq,jvanbaarsen/gitlabhq,since2014/gitlabhq,sue445/gitlabhq,Telekom-PD/gitlabhq,fearenales/gitlabhq,iiet/iiet-git,Devin001/gitlabhq,Exeia/gitlabhq,mathstuf/gitlabhq,jvanbaarsen/gitlabhq,mr-dxdy/gitlabhq,chenrui2014/gitlabhq,szechyjs/gitlabhq,martijnvermaat/gitlabhq,yatish27/gitlabhq,cinderblock/gitlabhq,NKMR6194/gitlabhq,flashbuckets/gitlabhq,it33/gitlabhq,fearenales/gitlabhq,duduribeiro/gitlabhq,bigsurge/gitlabhq,ayufan/gitlabhq,stoplightio/gitlabhq,WSDC-NITWarangal/gitlabhq,Keystion/gitlabhq,yama07/gitlabhq,yuyue2013/ss,pkgr/gitlabhq,windymid/test2,luzhongyang/gitlabhq,liyakun/gitlabhq,youprofit/gitlabhq,jaepyoung/gitlabhq,Burick/gitlabhq,screenpages/gitlabhq,yfaizal/gitlabhq,SkyWei/gitlabhq,pjknkda/gitlabhq,chadyred/gitlabhq,whluwit/gitlabhq,childbamboo/gitlabhq,martinma4/gitlabhq,johnmyqin/gitlabhq,rfeese/gitlab-ce,ikappas/gitlabhq,Tyrael/gitlabhq,Kambda/mobbr-gitlabhq,NARKOZ/gitlabhq,123Haynes/gitlabhq,allistera/gitlabhq,NARKOZ/gitlabhq,cncodog/gitlab,yuyue2013/ss,Razer6/gitlabhq,Devin001/gitlabhq,jirutka/gitlabhq,atomaka/gitlabhq,mathstuf/gitlabhq,mrb/gitlabhq,Razer6/gitlabhq,larryli/gitlabhq,nmav/gitlabhq,mavimo/gitlabhq,ZeoAlliance/gitlabhq,sekcheong/gitlabhq,martinma4/gitlabhq,Exeia/gitlabhq,ferdinandrosario/gitlabhq,k4zzk/gitlabhq,whluwit/gitlabhq,ferdinandrosario/gitlabhq,williamherry/gitlabhq,gorgee/gitlabhq,childbamboo/gitlabhq,ttasanen/gitlabhq,rhels/gitlabhq,stoplightio/gitlabhq,michaKFromParis/gitlabhqold,hzy001/gitlabhq,openwide-java/gitlabhq,LytayTOUCH/gitlabhq,k4zzk/gitlabhq,theonlydoo/gitlabhq,mavimo/gitlabhq,htve/GitlabForChinese,axilleas/gitlabhq,liyakun/gitlabhq,TheWatcher/gitlabhq,williamherry/gitlabhq,childbamboo/gitlabhq,Telekom-PD/gitlabhq,WSDC-NITWarangal/gitlabhq,initiummedia/gitlabhq,NKMR6194/gitlabhq,theodi/gitlabhq,bigsurge/gitlabhq,t-zuehlsdorff/gitlabhq,zBMNForks/gitlabhq,LUMC/gitlabhq,daiyu/gitlab-zh,martinma4/gitlabhq,fantasywind/gitlabhq,Soullivaneuh/gitlabhq,adaiguoguo/gitlab_globalserarch,ordiychen/gitlabhq,koreamic/gitlabhq,aaronsnyder/gitlabhq,mente/gitlabhq,fendoudeqingchunhh/gitlabhq,123Haynes/gitlabhq,SVArago/gitlabhq,rebecamendez/gitlabhq,pjknkda/gitlabhq,initiummedia/gitlabhq,fearenales/gitlabhq,jvanbaarsen/gitlabhq,ferdinandrosario/gitlabhq,MauriceMohlek/gitlabhq,fscherwi/gitlabhq,lvfeng1130/gitlabhq,hacsoc/gitlabhq,copystudy/gitlabhq,ngpestelos/gitlabhq,icedwater/gitlabhq,chadyred/gitlabhq,bozaro/gitlabhq,darkrasid/gitlabhq,it33/gitlabhq,screenpages/gitlabhq,htve/GitlabForChinese,fscherwi/gitlabhq,OtkurBiz/gitlabhq,dwrensha/gitlabhq,allysonbarros/gitlabhq,kitech/gitlabhq,jvanbaarsen/gitlabhq,Burick/gitlabhq,Telekom-PD/gitlabhq,theodi/gitlabhq,screenpages/gitlabhq,mrb/gitlabhq,joalmeid/gitlabhq,gopeter/gitlabhq,julianengel/gitlabhq,per-garden/gitlabhq,mmkassem/gitlabhq,flashbuckets/gitlabhq,theodi/gitlabhq,mavimo/gitlabhq,since2014/gitlabhq,eliasp/gitlabhq,dreampet/gitlab,rfeese/gitlab-ce,rumpelsepp/gitlabhq,123Haynes/gitlabhq,michaKFromParis/gitlabhq,allistera/gitlabhq,jrjang/gitlabhq,mavimo/gitlabhq,ordiychen/gitlabhq,LytayTOUCH/gitlabhq,joalmeid/gitlabhq,kemenaran/gitlabhq,bladealslayer/gitlabhq,SVArago/gitlabhq,DanielZhangQingLong/gitlabhq,kemenaran/gitlabhq,whluwit/gitlabhq,yama07/gitlabhq,Burick/gitlabhq,sonalkr132/gitlabhq,revaret/gitlabhq,OlegGirko/gitlab-ce,openwide-java/gitlabhq,stoplightio/gitlabhq,screenpages/gitlabhq,bbodenmiller/gitlabhq,Kambda/Mobbr,joalmeid/gitlabhq,bozaro/gitlabhq,zrbsprite/gitlabhq,yfaizal/gitlabhq,copystudy/gitlabhq,yonglehou/gitlabhq,LUMC/gitlabhq,williamherry/gitlabhq,stanhu/gitlabhq,tk23/gitlabhq,cncodog/gitlab,dukex/gitlabhq,dreampet/gitlab,darkrasid/gitlabhq,dvrylc/gitlabhq,Kambda/Mobbr,MauriceMohlek/gitlabhq,dreampet/gitlab,sue445/gitlabhq,iiet/iiet-git,H3Chief/gitlabhq,yuyue2013/ss,phinfonet/mobbr-gitlabhq,Datacom/gitlabhq,johnmyqin/gitlabhq,NuLL3rr0r/gitlabhq,it33/gitlabhq,k4zzk/gitlabhq,akumetsuv/gitlab,allysonbarros/gitlabhq,windymid/test2,hzy001/gitlabhq,daiyu/gitlab-zh,WSDC-NITWarangal/gitlabhq,kemenaran/gitlabhq,dvrylc/gitlabhq,gopeter/gitlabhq,htve/GitlabForChinese,martijnvermaat/gitlabhq,OtkurBiz/gitlabhq,allistera/gitlabhq,vjustov/gitlabhq,shinexiao/gitlabhq,cinderblock/gitlabhq,tempbottle/gitlabhq,DanielZhangQingLong/gitlabhq,mente/gitlabhq,ibiart/gitlabhq,liyakun/gitlabhq,yonglehou/gitlabhq,mrb/gitlabhq,cui-liqiang/gitlab-ce,kitech/gitlabhq,fantasywind/gitlabhq,Kambda/Mobbr,LUMC/gitlabhq,dukex/gitlabhq,luzhongyang/gitlabhq,larryli/gitlabhq,kotaro-dev/gitlab-6-9,yama07/gitlabhq,ttasanen/gitlabhq,tk23/gitlabhq,allysonbarros/gitlabhq,yatish27/gitlabhq,atomaka/gitlabhq,lvfeng1130/gitlabhq,LUMC/gitlabhq,H3Chief/gitlabhq,manfer/gitlabhq,childbamboo/gitlabhq,dvrylc/gitlabhq,TheWatcher/gitlabhq,bigsurge/gitlabhq,copystudy/gitlabhq,wangcan2014/gitlabhq,julianengel/gitlabhq,manfer/gitlabhq,bozaro/gitlabhq,fantasywind/gitlabhq,folpindo/gitlabhq,yatish27/gitlabhq,tempbottle/gitlabhq,SkyWei/gitlabhq,michaKFromParis/gitlabhqold,mente/gitlabhq,per-garden/gitlabhq,dwrensha/gitlabhq,NuLL3rr0r/gitlabhq,DanielZhangQingLong/gitlabhq,stanhu/gitlabhq,jrjang/gitlabhq,Tyrael/gitlabhq,tim-hoff/gitlabhq,gopeter/gitlabhq,dplarson/gitlabhq,adaiguoguo/gitlab_globalserarch,duduribeiro/gitlabhq,gorgee/gitlabhq,daiyu/gitlab-zh,SVArago/gitlabhq,dvrylc/gitlabhq,manfer/gitlabhq,Soullivaneuh/gitlabhq,wangcan2014/gitlabhq,Datacom/gitlabhq,mathstuf/gitlabhq,louahola/gitlabhq,joalmeid/gitlabhq,ordiychen/gitlabhq,iiet/iiet-git,chadyred/gitlabhq,Keystion/gitlabhq,jrjang/gitlabhq,kotaro-dev/gitlab-6-9,theonlydoo/gitlabhq,mathstuf/gitlabhq,xuvw/gitlabhq,rfeese/gitlab-ce,bbodenmiller/gitlabhq,salipro4ever/gitlabhq,ayufan/gitlabhq,fgbreel/gitlabhq,bbodenmiller/gitlabhq,fpgentil/gitlabhq,OlegGirko/gitlab-ce,revaret/gitlabhq,hq804116393/gitlabhq,it33/gitlabhq,hacsoc/gitlabhq,nguyen-tien-mulodo/gitlabhq,per-garden/gitlabhq,manfer/gitlabhq,Datacom/gitlabhq,dplarson/gitlabhq,pulkit21/gitlabhq,windymid/test2,phinfonet/mobbr-gitlabhq,michaKFromParis/sparkslab,nmav/gitlabhq,OtkurBiz/gitlabhq,yonglehou/gitlabhq,akumetsuv/gitlab,pulkit21/gitlabhq,hacsoc/gitlabhq,michaKFromParis/sparkslab,zrbsprite/gitlabhq,MauriceMohlek/gitlabhq,8thcolor/testing-public-gitlabhq,cncodog/gitlab,jaepyoung/gitlabhq,ikappas/gitlabhq,k4zzk/gitlabhq,wangcan2014/gitlabhq,openwide-java/gitlabhq,vjustov/gitlabhq,martinma4/gitlabhq,NKMR6194/gitlabhq,duduribeiro/gitlabhq,Datacom/gitlabhq,Soullivaneuh/gitlabhq,Keystion/gitlabhq,cncodog/gitlab,adaiguoguo/gitlab_globalserarch,dukex/gitlabhq,Soullivaneuh/gitlabhq,hzy001/gitlabhq,OlegGirko/gitlab-ce,H3Chief/gitlabhq,fantasywind/gitlabhq,SkyWei/gitlabhq,sakishum/gitlabhq,dwrensha/gitlabhq,axilleas/gitlabhq,luzhongyang/gitlabhq,koreamic/gitlabhq,delkyd/gitlabhq,bbodenmiller/gitlabhq,youprofit/gitlabhq,jaepyoung/gitlabhq,rhels/gitlabhq,dreampet/gitlab,fendoudeqingchunhh/gitlabhq,tim-hoff/gitlabhq,hq804116393/gitlabhq,ibiart/gitlabhq,ayufan/gitlabhq,fgbreel/gitlabhq,michaKFromParis/gitlabhqold,sakishum/gitlabhq,jrjang/gitlab-ce,pkgr/gitlabhq,youprofit/gitlabhq,johnmyqin/gitlabhq,yulchitaj/TEST3,mr-dxdy/gitlabhq,yulchitaj/TEST3,yatish27/gitlabhq,atomaka/gitlabhq,darkrasid/gitlabhq,TheWatcher/gitlabhq,chadyred/gitlabhq,t-zuehlsdorff/gitlabhq,fpgentil/gitlabhq,sideci-sample/sideci-sample-gitlabhq,youprofit/gitlabhq,jirutka/gitlabhq,stanhu/gitlabhq,chenrui2014/gitlabhq,dplarson/gitlabhq,tk23/gitlabhq,stellamiranda/mobbr-gitlabhq,tim-hoff/gitlabhq,cinderblock/gitlabhq,8thcolor/testing-public-gitlabhq,eliasp/gitlabhq,szechyjs/gitlabhq,t-zuehlsdorff/gitlabhq,stanhu/gitlabhq,phinfonet/mobbr-gitlabhq,rhels/gitlabhq,icedwater/gitlabhq,NuLL3rr0r/gitlabhq,fpgentil/gitlabhq,sideci-sample/sideci-sample-gitlabhq,Keystion/gitlabhq,tempbott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