How to add Text link on Specific cateogory pages in sidebar in wordpress?

Hello Friends,
I want to add a text link on a specific category page in my wordpress site but wont be able to.
My text link always go site wide when I try to add in sidebar of a specific category inner page.
Can anyone please help me in this how to do it?
Look forward to your response guys.
Regards
Vallen Mcgill

See original post by vallen Mcgill