Modding FAQ

Hello everyone, I decided to delve into this modding system, and it seems like I'm doing everything as described here, but in reality, nothing works.
For example, I want the weekly growth rate for Goblins to be not 20, but 50.
I use WinRar to open data.pak, find the Gremlin.xdb file in the folder array, press Alt+W to extract a copy, then open the copy, change the weekly growth rate from 20 to 50, and save it. I create a zip archive from the file with a name like Gremlin1.zip, change the extension to Gremlin1.h5u, and put the file in the UserMODs folder.
I start the game, create a standard random game with 2 mages, at the beginning of the game, I build a Goblin building for the first mage, go to the unit purchase, and there the standard weekly growth rate is still 20, even though I changed it to 50. I switch to the second mage, also build a Goblin building, also go to the unit purchase, and again I see that the weekly growth rate remains the standard 20, and not 50 as I wanted...
Please tell me what I'm doing wrong :smile45: