That's a valid concern. You can very easily give it whatever name you like. Docker looks for `docker-COMAND` executables in ~/.docker/cli-plugins directory making COMMAND a `docker` subcommand.

Rename the file to whatever you like, e.g. to get `docker pushoverssh`:

  mv ~/.docker/cli-plugins/docker-pussh ~/.docker/cli-plugins/docker-pushoverssh

Note that Docker doesn't allow dashes in plugin commands.