Hello smrsd5, welcome.
I am so sorry to hear that your daughter was originally misdiagnosed with bipolar, how awful, you must wonder at all those wasted years while she was taking the wrong meds and presumably no improvement in her. I am so glad that despite this you finally managed to break through and are now on the right track.
You are very wise to realise that you need to change your way of communicating with her, it can feel awkward at first but I am sure you will soon get to grips with it. There is a lot of information here on communication skills, it is listed over on the right

I encourage you to read others posts too, there is a wealth of experience on this site and you will gain lots of help and support by participating here x