If you would like to change the default First Name Equivalents, you can do that by going to Help, About Importacular.
Then select the option for Advanced settings in the lower left hand corner.
You can then choose to make changes by clicking on Setup or to Restore to the Default settings.
Below, you can see a screenshot of the options available in Setup.
You can add to an existing equivalent by selecting it and then typing new information in the Equivalent text grid. You can add a new equivalent by clicking on the green circle in the bottom left hand corner. Similarly, you can delete an equivalent by clicking on the red circle in the bottom left hand corner.
Click here to watch a video tutorial of Address and First Name Equivalents.