changed triton to spearhead in help out for env setup

lib/do_profile/do_docker_setup.js

@@ -62,7 +62,7 @@ do_docker_setup.help = [
     'the DOCKER_HOST and related environment variables.',
     '',
     'After running this, you can setup your shell environment for `docker` via:',
-    '    eval "$(triton env --docker)"',
+    '    eval "$(spearhead env --docker)"',
     'or the equivalent. See `spearhead env --help` for details.'
     /* END JSSTYLED */
 ].join('\n');