diff --git a/nix/overlay.nix b/nix/overlay.nix
index 5e4649a..2f20583 100644
--- a/nix/overlay.nix
+++ b/nix/overlay.nix
@@ -82,18 +82,18 @@ in {
       test -S "$SSH_AUTH_SOCK" && ssh="-v $SSH_AUTH_SOCK:$SSH_AUTH_SOCK -e SSH_AUTH_SOCK"
       tty -s && tty="-t" || quiet="-q"
 
+      # define these as variables so we can override them at runtime
       POSH_IMAGE=${image}
       POSH_PULL=${pull}
 
       if [ "$1" == "-c" ]; then
-        # we've most likely been spawned by sshd
-        # $2 contains the command string
+        # We've most likely been spawned by sshd and are interested in $2 whitch contains the command string
         shift
-        # TODO: make the variables overridable via the command_string
+        # TODO parse the beginning of the command for POSH_* overrides
       fi
 
       exec ${self.podman}/bin/podman \
-        ${global_args} run --rm -i $tty $ssh -v ~/:/root -w /root --pull=always --network host --pull=''${POSH_PULL} \
+        ${global_args} run --rm -i $tty $ssh -v ~/:/root -w /root --network host --pull=''${POSH_PULL} \
         ${run_args} ''${POSH_IMAGE} $@
     '')
     .overrideAttrs(attrs: attrs // {