dig help message https-plain-get vs http-plain-get

Summary

dig -h says:

 +[no]https-plain-get      (Use GET instead of default POST method while using plain HTTP)

but the option is actually called +[no]http-plain-get, without the s

BIND version used

DiG 9.18.17

Steps to reproduce

run dig -h

or for the more adventurous:

dig @dns.switch.ch isc.org  +https-plain-get
Invalid option: +https-plain-get
[....]

What is the current bug behavior?

dig -h claims the option name is +[no]https-plain-get

What is the expected correct behavior?

dig -h should say the option name is +[no]http-plain-get

Relevant configuration files

n/a

Relevant logs and/or screenshots

n/a

Possible fixes

change https://gitlab.isc.org/isc-projects/bind9/-/blob/6a6f2e58e9e4a2e5d30ebb6113e429712dc09b34/bin/dig/dig.c#L228