Water spilt on iPad Air 2:?

I accidently tipped a glass of water over and didn't notice that it was on my iPad. I think the water was on the iPad for around 5 minutes and when I noticed I quickly picked it up, took the case off and wiped it dry. I'm panicking that it's going to get damaged as I'm unsure if the water got into the headphone jack or speakers as I didn't check when drying it due to panicking. The iPad case is wet only in the top right corner near the camera meaning it might not have got in anywhere else but I'm really unsure. I turned the iPad on and it was working, the sound seemed fine and so did the camera but I read online that I need to turn it off straight away or I could cause permanent damage so I've now turned it off and put it in the airing cupboard.
Is it going to be okay in the airing cupboard and how long should I leave it for?
Do you think it's going to be damaged? Is there any way it can be fixed if it is?

Thank you:) I'm so worried rn

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