Oh, and since the user is working with in-memory storage, I should mention how they can update the variables in their code. Maybe they're using a tool that allows them to write to the 
storage, so I should include an example of how to set these variables programmatically.

-> pas bon du tout. TODO : enlever cette question du "in-memory storage" dans la persona ? 

en même temps c'est lors d'une discussion prolongée que ça ressort.