diff --git a/.env.example b/.env.example
index db3f037..6e870ae 100644
--- a/.env.example
+++ b/.env.example
@@ -24,6 +24,8 @@ SSH_KEY_PATH=~/.ssh
 # HOST_SSH_USER: your username on the host (required for the jump). On first
 # start the entrypoint prints the public key to authorize on the host.
 # HOST_SSH_USER=
+# DEVBOX_HOST_ALIAS: host hostname to reach (default host.docker.internal).
+# DEVBOX_HOST_ALIAS=host.docker.internal
 # DEVBOX_LAN_AUTOJUMP_PRIVATE: 1 = ProxyJump any private (RFC1918) IP through
 # the host, so bare `dssh user@<ip>` works on whatever LAN you're roaming on.
 # DEVBOX_LAN_AUTOJUMP_PRIVATE=0