Mini Calamindin Tips

Picked up this mini calamindin last week says to not let dry out so watering a little but leaves seem a little drying. Never had a citrus before can someone please give me sone tips. Most appreciated lovely people.

I would report that bad boy, that pot is awful small for such a large plant. Also, I read at Victoriana Nursery's page that you should give them a pinch of epsom salts, have a look at their web pages, they are great.
That pot looks a little small for the size of the plant. I would start a regime of potting up until you get it into a suitable sized container.