diff --git a/ESP-IDF_Robot/tutorial/docs/source/transmitter.rst b/ESP-IDF_Robot/tutorial/docs/source/transmitter.rst
index 1977fda8e..c1217c8d8 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/transmitter.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/transmitter.rst
@@ -13,7 +13,7 @@ Configuration Variables
         int         y_axis;             // Joystick y-position
         bool        nav_btn;            // Joystick push button
         bool        led;                // LED ON/OFF state
-        uint8_t     motor1_rpm_pwm;     // PWMs for 4 DC motors
+        uint8_t     motor1_rpm_pwm;     // PWMs for each DC motor
         uint8_t     motor2_rpm_pwm;
         uint8_t     motor3_rpm_pwm;
         uint8_t     motor4_rpm_pwm;