Fixed escaping in yubikey doc
Fixed escaping in yubikey doc

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