Edit Processes > Edit tasks and process properties
Tallyfy lets you modify a running process without restarting it. Open the process from Tracker…
Click the process name at the top of any running process to rename it. It’s available anytime after launch.
Here’s where to click:

Edit Processes > Edit tasks and process properties
Edit Templates > Rename a template
Tracking And Tasks > Processes
Edit Processes > Auto-name a process