You can now edit a template file name after it has been uploaded to HowNow Online.

Search for the template, click on the 1WNWIhvc0E86BXyNUsaje7AeEg5GDM_3xA.pngicon and select the 2jJNcPWJlkYDC0i4rR1ehx8aNSUSaywSsw.pngoption.

The "Metadata for template" window will appear.  Make your changes to the title listed in the "Filename" field and then click on the "Save" button.  This will update the filename of the template.