Update index.html.md (#1819)
Update index.html.md (#1819)

Corrected a minor spelling error.
jmhardison/vault,joelthompson/vault,kingland/vault,quixoten/vault,Aloomaio/vault,hartsock/vault,jmhardison/vault,memory/vault,Aloomaio/vault,jam-pot/vault,hashicorp/vault,mymercurialsky/vault,chrishoffman/vault,jgcallero/vault,hashicorp/vault,ryon/vault,joelthompson/vault,jam-pot/vault,cimarron-pistoncloud/vault,danielsomerfield/vault,kingland/vault,deverton/hashicorp-vault,martin-ducar-gd/vault,LolalyLuo/vault,lirao/vault,Caiyeon/vault,jmhardison/vault,danielsomerfield/vault,mgk/vault,michaelansel/vault,Banno/vault,deverton/hashicorp-vault,rnaveiras/vault,hartsock/vault,mgk/vault,joelthompson/vault,hartsock/vault,doodles526/vault,lirao/vault,chrishoffman/vault,memory/vault,quixoten/vault,hashicorp/vault,joelthompson/vault,jgcallero/vault,peteryhwong/vault,hashicorp/vault,mymercurialsky/vault,kingland/vault,Caiyeon/vault,MonsantoCo/vault,tallpauley/vault,hashicorp/vault,quixoten/vault,quixoten/vault,naunga/vault,mgk/vault,hartsock/vault,mgk/vault,ryon/vault,rnaveiras/vault,wjam/vault,jmhardison/vault,hashicorp/vault,rnaveiras/vault,doodles526/vault,tallpauley/vault,cimarron-pistoncloud/vault,martin-ducar-gd/vault,jmhardison/vault,hartsock/vault,rnaveiras/vault,lemondrank/vault,rnaveiras/vault,Aloomaio/vault,kingland/vault,LolalyLuo/vault,lemondrank/vault,Banno/vault,peteryhwong/vault,wjam/vault,naunga/vault,Aloomaio/vault,MonsantoCo/vault,kingland/vault,michaelansel/vault