Java Fern Burn?

I have java ferns and they look like that, even though they have plenty of little "plantlets". I have had some of them for almost 2 years, and in spite of the browning they do very well.
 
looks normal to me. any other issues?
 
Nope, it's just sometimes unsightly.

Nature is unsightly alot to. I was looking out my back window this morning at some palm fronds that are brown and still on the tree and thought how unsightly they looked .It's natural in nature, it's natural in the tank.
 
True, I agree fully.

p.s., living in Western Washington, I haven't seen a palm frond for about 4 years, since the time I went to Puerto Vallarta
 
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