Fix headings markdown on amp-app-banner (#9299)
Fix headings markdown on amp-app-banner (#9299)


aghassemi/amphtml,honeybadgerdontcare/amphtml,zhangsu/amphtml,tlong2/amphtml,techhtml/amphtml,shawnbuso/amphtml,clawr/amphtml,alanorozco/amphtml,bpaduch/amphtml,mhc-gh/amphtml,adiant/amphtml,vmarteev/amphtml,smartadserver/amphtml,bpaduch/amphtml,voyagegroup/amphtml,ecoron/amphtml,keithwrightbos/amphtml,nexxtv/amphtml,avimehta/amphtml,danielrozenberg/amphtml,jdelhommeau/amphtml,powdercloud/amphtml,adup-tech/amphtml,zhangsu/amphtml,media-net/amphtml,comScore/amphtml,kamtschatka/amphtml,Gregable/amphtml,arealit/amphtml,dotandads/amphtml,fullspeed-sp/amphtml,sklobovskaya/amphtml,rsimha-amp/amphtml,adup-tech/amphtml,src-code/amphtml,jpettitt/amphtml,rsimha-amp/amphtml,sebastianbenz/amphtml,aghassemi/amphtml,zhucl/amphtml,jridgewell/amphtml,laterpay/amphtml,cvializ/amphtml,adiant/amphtml,vmarteev/amphtml,tlong2/amphtml,donttrustthisbot/amphtml,cvializ/amphtml,jdelhommeau/amphtml,mhc-gh/amphtml,comScore/amphtml,yandex-pcode/amphtml,yieldbot/amphtml,jpettitt/amphtml,cvializ/amphtml,arealit/amphtml,kixer-com/amphtml,nexxtv/amphtml,sebastianbenz/amphtml,adup-tech/amphtml,Gregable/amphtml,lannka/amphtml,chaveznvg/amphtml,bpaduch/amphtml,spotxchange/amphtml,voyagegroup/amphtml,DAC-f1h-dev/amphtml,laterpay/amphtml,gumgum/amphtml,kmh287/amphtml,bpaduch/amphtml,alanorozco/amphtml,wjfang/amphtml,jmadler/amphtml,zhouyx/amphtml,BenDz/amphtml,engtat/amphtml,engtat/amphtml,jridgewell/amphtml,shawnbuso/amphtml,jpettitt/amphtml,clawr/amphtml,cory-work/amphtml,adiant/amphtml,jridgewell/amphtml,yieldbot/amphtml,koshka/amphtml,powdercloud/amphtml,yieldbot/amphtml,smartadserver/amphtml,camelburrito/amphtml,honeybadgerdontcare/amphtml,honeybadgerdontcare/amphtml,zhucl/amphtml,Gregable/amphtml,yandex-pcode/amphtml,jdelhommeau/amphtml,yandex-pcode/amphtml,yandex-pcode/amphtml,clawr/amphtml,erwinmombay/amphtml,gumgum/amphtml,luciancrasovan/amphtml,luciancrasovan/amphtml,clawr/amphtml,mhc-gh/amphtml,jdelhommeau/amphtml,media-net/amphtml,mhc-gh/amphtml,kixer-com/amphtml,prateekbh/amphtml,clawr/amphtml,smartadserver/amphtml,ecoron/amphtml,kmh287/amphtml,techhtml/amphtml,pedjoni8/amphtml,fullspeed-sp/amphtml,zhangsu/amphtml,gumgum/amphtml,danielrozenberg/amphtml,luciancrasovan/amphtml,ampproject/amphtml,prateekbh/amphtml,wjfang/amphtml,BenDz/amphtml,jridgewell/amphtml,wjfang/amphtml,donttrustthisbot/amphtml,gumgum/amphtml,camelburrito/amphtml,BenDz/amphtml,ampproject/amphtml,sklobovskaya/amphtml,avimehta/amphtml,yieldmo/amphtml,avimehta/amphtml,donttrustthisbot/amphtml,luciancrasovan/amphtml,vmarteev/amphtml,ecoron/amphtml,rajkumarsrk/amphtml,comScore/amphtml,techhtml/amphtml,jridgewell/amphtml,danielrozenberg/amphtml,avimehta/amphtml,pedjoni8/amphtml,comScore/amphtml,dotandads/amphtml,sharethrough/amphtml,Gregable/amphtml,jdelhommeau/amphtml,ampproject/amphtml,jmadler/amphtml,wjfang/amphtml,zhouyx/amphtml,yieldmo/amphtml,luciancrasovan/amphtml,src-code/amphtml,voyagegroup/amphtml,comScore/amphtml,kmh287/amphtml,mhc-gh/amphtml,jridgewell/amphtml,rajkumarsrk/amphtml,dotandads/amphtml,sharethrough/amphtml,widespace-os/amphtml,lannka/amphtml,spotxchange/amphtml,yandex-pcode/amphtml,chaveznvg/amphtml,zhouyx/amphtml,sriramkrish85/amphtml,aghassemi/amphtml,aghassemi/amphtml,cory-work/amphtml,BenDz/amphtml,mhc-gh/amphtml,laterpay/amphtml,comScore/amphtml,yieldbot/amphtml,widespace-os/amphtml,alanorozco/amphtml,danielrozenberg/amphtml,sriramkrish85/amphtml,media-net/amphtml,ADITION/amphtml,camelburrito/amphtml,yieldmo/amphtml,engtat/amphtml,chaveznvg/amphtml,src-code/amphtml,pedjoni8/amphtml,sebastianbenz/amphtml,DAC-f1h-dev/amphtml,tlong2/amphtml,voyagegroup/amphtml,jpettitt/amphtml,rajkumarsrk/amphtml,cvializ/amphtml,smartadserver/amphtml,jpettitt/amphtml,adiant/amphtml,fullspeed-sp/amphtml,spotxchange/amphtml,chaveznvg/amphtml,taboola/amphtml,cvializ/amphtml,alanorozco/amphtml,powdercloud/amphtml,zhucl/amphtml,erwinmombay/amphtml,rsimha-amp/amphtml,pedjoni8/amphtml,prateekbh/amphtml,nexxtv/amphtml,taboola/amphtml,tlong2/amphtml,fullspeed-sp/amphtml,lannka/amphtml,shawnbuso/amphtml,adiant/amphtml,taboola/amphtml,prateekbh/amphtml,sklobovskaya/amphtml,engtat/amphtml,kamtschatka/amphtml,jpettitt/amphtml,src-code/amphtml,Gregable/amphtml,chaveznvg/amphtml,avimehta/amphtml,rajkumarsrk/amphtml,koshka/amphtml,jmadler/amphtml,zhouyx/amphtml,zhucl/amphtml,vmarteev/amphtml,clawr/amphtml,DAC-f1h-dev/amphtml,honeybadgerdontcare/amphtml,media-net/amphtml,donttrustthisbot/amphtml,adiant/amphtml,camelburrito/amphtml,jdelhommeau/amphtml,prateekbh/amphtml,spotxchange/amphtml,shawnbuso/amphtml,DAC-f1h-dev/amphtml,taboola/amphtml,clawr/amphtml,ecoron/amphtml,camelburrito/amphtml,sharethrough/amphtml,Gregable/amphtml,yieldbot/amphtml,ampproject/amphtml,yieldmo/amphtml,shawnbuso/amphtml,kmh287/amphtml,fullspeed-sp/amphtml,danielrozenberg/amphtml,alanorozco/amphtml,voyagegroup/amphtml,src-code/amphtml,zhucl/amphtml,koshka/amphtml,vmarteev/amphtml,koshka/amphtml,arealit/amphtml,keithwrightbos/amphtml,danielrozenberg/amphtml,kamtschatka/amphtml,honeybadgerdontcare/amph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