That is the question!

Loooking at my Neph I see it may be a bit cramped in that pot. I'm giving it the right conditions,regular misting, indirect light etc,yet it seems browner than it was when I first had it.

I'm wondering if its potbound and I should repot it in the spring.(Obvioulsy is the wrong time of year now)

Ive never really grown an indoor fern so I dont know how quickly the roots grow/how often to repot etc so any advice would be appreciated!

The plant I'm referring to is

Here is a link that might be useful: here.