update readme

README.md

@@ -64,11 +64,16 @@ The following packages will be automatically installed as dependencies:
 sudo ksigner setup
 ```
 
-3. **Reboot and enroll MOK keys**:
+3. **Optionally, enable automatic kernel signing**:
+```bash
+sed -i 's/^# *\(AUTO_SIGN=true\)/\1/' /etc/ksigner/ksigner.conf
+```
+
+4. **Reboot and enroll MOK keys**:
    - Reboot your system
    - In the MOK management interface: Enroll MOK → Continue → Yes → Enter password → OK
 
-4. **Sign kernels**:
+5. **Sign kernels**:
 ```bash
 # Sign latest kernel
 sudo ksigner sign