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-rw-r--r--doc/guix.texi4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 39d4b865f6..55935b3794 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -20302,7 +20302,9 @@ all domains will be Subject Alternative Names on the certificate.
The challenge type that has to be run by certbot. If @code{#f} is specified,
default to the HTTP challenge. If a value is specified, defaults to the
manual plugin (see @code{authentication-hook}, @code{cleanup-hook} and
-the documentation at @url{https://certbot.eff.org/docs/using.html#hooks}).
+the documentation at @url{https://certbot.eff.org/docs/using.html#hooks}),
+and gives Let's Encrypt permission to log the public IP address of the
+requesting machine.
@item @code{authentication-hook} (default: @code{#f})
Command to be run in a shell once for each certificate challenge to be