How to water after overwatering?

I’d get some water to her immediately as it looks like the leaves aren’t just drooping, but also limp and hanging. I’d water slowly, getting the top watered a bit and then waiting about 20 minutes and go back and water more. The soils probably so dry that most of what you first put in will just run through to the bottom and won’t soak in there. Waiting a bit and adding more water will ensure your girl actually takes up that water. You have a smaller pot so you should be able to pick it up before you water and see how it weighs. Then pick it up after watering. You should feel a big difference. I’d water when the pot feels light and before the leaves get this bad. Let a bit come out the bottom that helps with buildups and also gives you peace of mind that the pots draining and she got her water