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-rw-r--r--doc/guix.texi12
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index c1ce5bc896..7d50f31d20 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -26447,6 +26447,18 @@ keyring.
 @item @code{identity} (default: @code{#f})
 If specified, the path to the SSH private key to use to authenticate with the
 remote host.
+
+@item @code{host-key} (default: @code{#f})
+This should be the SSH host key of the machine, which looks like this:
+
+@example
+ssh-ed25519 AAAAC3Nz@dots{} root@@example.org
+@end example
+
+When @code{host-key} is @code{#f}, the server is authenticated against
+the @file{~/.ssh/known_hosts} file, just like the OpenSSH @command{ssh}
+client does.
+
 @end table
 @end deftp