Click on the source column in your table to edit the search parameters. [1] This won't remove previously added companies but will append new ones based on your updated filters.
Alternatively, click on the header for your imported companies column, select "Sources" from the dropdown, then click "Edit source" to modify your filters.
Note: Editing filters won't retroactively update existing results - you'll need to delete and re-run the step or duplicate the table to see updated results. [2]
If you need any more help with editing your company filters or managing your tables, please let me know. Would you like to provide more details about what you're trying to achieve so I can assist you further?