It looks like an old leaf that died back, cut it off and keep doing what you are doing. The rest of the plant looks fine. In order to really assess your problem it would be nice to see the whole plant and not just the leaf.

What we can see, looks fine.

Orchiddude, thanks for your response. I've attached another picture of the palm. Thanks again, Kristy

Here is a link that might be useful: {{gwi:1135789}}