diff --git a/Jessie-Lite-Installation-Guide.md b/Jessie-Lite-Installation-Guide.md
index 483648a..f132f71 100644
--- a/Jessie-Lite-Installation-Guide.md
+++ b/Jessie-Lite-Installation-Guide.md
@@ -146,4 +146,6 @@ EDIT : If the screensaver doesn't disable, try with the file
 
 `/home/pi/.config/lxsession/LXDE/autostart` instead of `/etc/xdg/lxsession/LXDE/autostart` and reboot after modifications
 
+If PM2 does not start MM on reboot. If you are using PM 2.4.2, you may need to edit the TimeoutStartSec value in /etc/systemd/system/pm2-root.service if using slower based SBC's like the Pi. The default is 8s which is not long enough. Try 15s.
+
 ## Finish and see the magic!
\ No newline at end of file