Enter General Configuration
2. Select "Document type"
3. Here we can either select "Add" to create a type of document or edit an existing one.
When you click on "Add", you'll see a box where you can write the type of document you wish to create and then click on "SAVE"
To change the name of an existing document type, click on the current name
4. After typing the new name, you will see it changed but with a small triangle on the upper-left corner. This means it's not updated yet. After you finish, click on "save" and the triangle will dissapear