Update installation.md

docs/installation.md

@@ -26,15 +26,15 @@ The most important part in the next window is here to give the repository a name
 ## Create GitHub token
 1. In GitHub, click on the profile in the upper right corner and click
 2. `Settings` → `Developer settings` → `Personal access tokens` → `Fine-grained tokens` → `Generate new token`
-3.
+3. Use the following settings:
    ```
    Token name: whatever your feel like
    Only select repositories: Your backup repository which you created at step "Prepare GitHub repository"
    Repository permissions:
    Administration: Read and write
    Commit statuses: Read and write
    ```
-5. Click `Generate new token`
+4. Click `Generate new token`
 
 Copy the new token, you will need this later.