diff --git a/README.md b/README.md
index ecf2567..4975527 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,8 @@ Basically:
   - Add your wireguard configuration to `cluster/prod/cluster.nix`
     - You will have to edit your NAT config manually
     - To get your node's wg public key, you must run `./deploy_prod prod <node>`, see the next section for more information
+  - Add your nodes to `cluster/prod/ssh_config`, it will be used by the various SSH scripts.
+    - If you use `ssh` directly, use `ssh -F ./cluster/prod/ssh_config`
 
 ## How to deploy a Nix configuration on a fresh node
 
diff --git a/deploy_nixos b/deploy_nixos
index 0bd1b4c..2b55799 100755
--- a/deploy_nixos
+++ b/deploy_nixos
@@ -7,4 +7,5 @@ copy cluster/$CLUSTER/cluster.nix /etc/nixos/cluster.nix
 copy cluster/$CLUSTER/node/$NIXHOST.nix /etc/nixos/node.nix
 copy cluster/$CLUSTER/node/$NIXHOST.site.nix /etc/nixos/site.nix
 
+cmd "nix-channel --add https://nixos.org/channels/nixos-22.05 nixos"
 cmd nixos-rebuild switch --show-trace