Documentation: Specify PEM format for SSH keys.

Otherwise openssh-client 7.9 will generate a different format that can't be used
by esshd.

diff --git a/docs/config.md b/docs/config.md
index 197326bbd74d59aef62a810858036142ef1f8f1a..63ca61d1e9ae324eff2a99b789fe49139dc1a56c 100644 (file)
--- a/docs/config.md
+++ b/docs/config.md
@@ -477,7 +477,7 @@ config :esshd,
   password_authenticator: "Pleroma.BBS.Authenticator"
 ```
 
-Feel free to adjust the priv_dir and port number. Then you will have to create the key for the keys (in the example `priv/ssh_keys`) and create the host keys with `ssh-keygen -N "" -b 2048 -t rsa -f ssh_host_rsa_key`. After restarting, you should be able to connect to your Pleroma instance with `ssh username@server -p $PORT`
+Feel free to adjust the priv_dir and port number. Then you will have to create the key for the keys (in the example `priv/ssh_keys`) and create the host keys with `ssh-keygen -m PEM -N "" -b 2048 -t rsa -f ssh_host_rsa_key`. After restarting, you should be able to connect to your Pleroma instance with `ssh username@server -p $PORT`
 
 ## :auth