Provide information about available encryption modes and prefixes
in /setkey's usage output.
typeByTarget(bufname),
bufname,
tr("[usage] /setkey <nick|channel> <key> sets the encryption key for nick or channel. "
typeByTarget(bufname),
bufname,
tr("[usage] /setkey <nick|channel> <key> sets the encryption key for nick or channel. "
- "/setkey <key> when in a channel or query buffer sets the key for it.")
+ "/setkey <key> when in a channel or query buffer sets the key for it. "
+ "Prefix <key> by cbc: or ebc: to explicitly set the encryption mode respectively. Default is CBC.")