diff --git a/Variant-PPM.md b/Variant-PPM.md
index 6dbc560..0f96b4d 100644
--- a/Variant-PPM.md
+++ b/Variant-PPM.md
@@ -2,6 +2,7 @@ This variant can be used with PPM-SUM RC Receivers.<br>
 As opposed to PWM, it will send all channels on a single wire one after the other.<br>
 
 ## :gear: Configuration/Parameters
+Voltage [Control Mode](https://github.com/EFeru/hoverboard-firmware-hack-FOC#foc-firmware) is used by default.<br>
 CONTROL_PPM_RIGHT is for the right sensor cable and is set by default to limit the noise as this cable is shorter.<br>
 You can use CONTROL_PPM_LEFT instead if you need to use the left sensor cable.<br>
 DEBUG_SERIAL will be automatically enabled on the opposite cable.<br>