diff --git a/README.org b/README.org
index 694e6cff0d4fe561f477563c14e3f1f5ea3fa130..f308d5a7a2328322781b88be1fbe3c5ac252f16d 100644
--- a/README.org
+++ b/README.org
@@ -109,6 +109,7 @@ Multibyte values are exchanged in little endian format.
 - Left and right motor speed, between -127 and 127 each, max speed is
   ±127. -128 means standby. ±127 corresponds to the value limited by the
   max motor percentage.
+- This is the raw speed sent to the motor, no PID is computed.
 - If written while in automatic mode, the robot switches to manual mode
 
 ** [IMPLEMENTED] 0x32-0x35 Encoder ticks (R)