Wonderful beginning. And she will learn not to bark the next time by you consistently training her in similar situations that you create for training exercises. And wasn't it nice to be happy with Jo instead of mad and having her put in her spot? She will learn you just need to be consistent. Remember to use the same command each time you get her to stop and only use one word, not phrases.

One step at a time. Let me know if you have questions anytime.