diff --git a/Variant-PPM.md b/Variant-PPM.md
index 45ee754..bfa4f2a 100644
--- a/Variant-PPM.md
+++ b/Variant-PPM.md
@@ -17,7 +17,7 @@ Proceed with [calibration](https://github.com/EmanuelFeru/hoverboard-firmware-ha
 
 ## Troubleshooting:
 
-If the board is beeping
+If the board is [beeping](https://github.com/EmanuelFeru/hoverboard-firmware-hack-FOC/wiki/Diagnostics)
 * Check the number of channels, even if you transmitter only handles 6 channels, you receiver might transmit more channels 
 * Make sure you enabled PPM on your transmitter
 * Make sure you use the PPM port on your receiver