Use "Bech32[m]" when saying that there is no dedicated string encoding for Orchard payment addresses and viewing keys.
Use "Bech32[m]" when saying that there is no dedicated string encoding for Orchard payment addresses
and viewing keys.

Signed-off-by: Daira Hopwood <cd7d43d5556a38ce626d53826fddc46adc597539@jacaranda.org>

zcash/zips,zcash/zips,zcash/zips,zcash/zips