diff -up openssh-9.9p1/ssh_config.5.xxx openssh-9.9p1/ssh_config.5

--- openssh-9.9p1/ssh_config.5.xxx	2024-10-11 12:01:14.260566303 +0200

+++ openssh-9.9p1/ssh_config.5	2024-10-11 12:01:59.725654775 +0200

@@ -759,7 +759,7 @@ or

 This option should be placed in the non-hostspecific section.

 See

 .Xr ssh-keysign 8

-for more information.

+for more information. ssh-keysign should be installed explicitly.

 .It Cm EscapeChar

 Sets the escape character (default:

 .Ql ~ ) .