Mind the difference between activity name and activity description. Activity name should be short to fit into the activity box.
Don't try to put detailed activity description into activity label. Use swimlanes, custom artifacts, data objects and data stores to show who performs the task and which tools and data should be used.
If you wish to accompany the process model with detailed instructions for performers then leverage the tool that would let you enter description into task properties and automatically generate the process documentation.
As an example, this is how it is implemented in Bizagi Modeler. Entering description:
Automatically generated process documentation:
— Anatoly Belaychuk 2024-08-20 17:21