What is the difference between dakgalbi and dak bulgoki?

Hi,

Is there an actual difference between dakgalbi and dak bulgoki or is it two different name for the same meal. I have been cooking some marinated spicy chicken (which I always called dakgalbi somehow) for some years now. I got the idea on how to make it from one of my favorite Korean restaurant and got the recipe from a book which called it dakgalbi. I fell in love with the recipe since the taste was very close to what was served at that restaurant; but to my surprise, when I went there the other day,I realized that they call it dak bulgoki on the menu (which gives you an idea on how much I look at the menu).

So basically I was wondering who is wrong or if it is just two names for one plate :)

Thank you in advance!