Improve doc for 404 overrides
Improve doc for 404 overrides

timothycrosley/hug,janusnic/hug,philiptzou/hug,MuhammadAlkarouri/hug,giserh/hug,alisaifee/hug,MuhammadAlkarouri/hug,janusnic/hug,timothycrosley/hug,philiptzou/hug,timothycrosley/hug,alisaifee/hug,giserh/hug,MuhammadAlkarouri/hug