How can I change the way a taxonomy title displays

I want to keep the fact that the drop down shows Categories, but I wan to change the word “Categories” to “Project Names” on the search form.

https://holtgroupinc.com/?facetious_post_type=project&property_types=&sales_status=&development_statuses=&locations=

Thank you

https://www.ads-software.com/plugins/facetious/