Take the Feathers module as an example, open the Lang file of the Feathers module, and find the name of the potion effect inside.
Copy this line ["Effect.feathers.ndurance": "Energetic", then copy it, and then open the LANG file of the module.Add a .descripting after this text to complete the adding description, and then modify the text "" in "" to official description or describe it at a glance.
The steps are not difficult, mainly copy and paste and then add .descripting at the end of the suffix of the potion effect, and then modified the text in "" to complete