1 files changed, 3 insertions, 0 deletions

diff --git a/ssh_config.5 b/ssh_config.5
index 4bf7cbb3c..1d500e90a 100644
--- a/ssh_config.5
+++ b/ssh_config.5
@@ -740,6 +740,9 @@ Note that existing names and addresses in known hosts files
 will not be converted automatically,
 but may be manually hashed using
 .Xr ssh-keygen 1 .
+Use of this option may break facilities such as tab-completion that rely
+on being able to read unhashed host names from
+.Pa ~/.ssh/known_hosts .
 .It Cm HostbasedAuthentication
 Specifies whether to try rhosts based authentication with public key
 authentication.