Small edit to Appliance_Index.md
Small edit to Appliance_Index.md

yvonnewilson/docs,Annyv2/docs,jeffreylees/docs,auth0/docs,sandrinodimattia/docs,Annyv2/docs,Catografix/docs,khorne3/docs,sandrinodimattia/docs,yvonnewilson/docs,hamzawi06/docs,Catografix/docs,hamzawi06/docs,jeffreylees/docs,sandrinodimattia/docs,khorne3/docs,Annyv2/docs,Catografix/docs,jeffreylees/docs,hamzawi06/docs,auth0/docs,yvonnewilson/docs,auth0/docs,miparnisari/docs,khorne3/docs