Add clearer description on how to use otp as a key (#1045)
Add clearer description on how to use otp as a key (#1045)

Signed-off-by: Moises Trovo <a4b66b540b40b09b7a57f50545dc736928b823df@tuta.io>
gopasspw/gopass,justwatchcom/gopass,gopasspw/gopass,franciscocpg/gopass