added more hints about what to commit to while installing

Author: stuffo

README.md

@@ -20,9 +20,11 @@ Install
    Otherwise, get some Ubuntu kernel. E.g. current mainline kernels from http://kernel.ubuntu.com/~kernel-ppa/mainline:  
    ``curl -LO http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10.3/linux-image-4.10.3-041003-generic_4.10.3-041003.201703142331_amd64.deb``  
    ``apt install ./linux-image-4.10.3-041003-generic_4.10.3-041003.201703142331_amd64.deb ``
+   Ignore/dismiss all Grub related setup messages, you don't need it.
 3. Install this package:  
    ``apt install ./scaleway-ubuntukernel_1.1-1_amd64.deb ``
-4. Disable Ubuntu kexec service (required as Ubuntu will kexec too early and leave a dirty filesystem)  
+   Say No when asked about using Kexec reboot, it will interfere with this kexec service.
+4. Make sure Ubuntu kexec service is disabled. Required as Ubuntu will kexec too early and leave a dirty filesystem.
    `` systemctl disable kexec ``
 5. Reboot. That's it. Your system will kexec into your Ubuntu kernel on startup.