I searched info about it. I just wanted to know the exact answer and not to do more damage for her... and its over watering, yes? no more water for few days?Fist things come to mind are the things you should've already found through a simple Google search...
Under or over watering... since you're new enough to even ask and not have searched, I'll guess over... one of the most common rookie gardener mistakes. Look into it and you'll find easy solutions.