My Category is ranking instead of my page for the same keyword, how to change this?

Hey there,

I have a keyword that i used to write an article for a page. However i have the keyword as a category as well.
For example:

Website/category/keyword1 and website/keyword

How come my category ranks instead of the keyword?
Is it because the category has multiple articles or is the description that i have written for the category better then the article itself?
How do i transfer this to my page as the category currently ranks on rank 12 but it is mostly a filler category description.

Should i just improve the category description and add images or try to rank the page itself?

Thanks in advance

Regards,

DTjai