diff --git a/ESP-IDF_Robot/tutorial/docs/source/overview.rst b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
index 348a22812..2083ae7ae 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/overview.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
@@ -53,7 +53,7 @@ Changing PWM on each channel determines the speed and direction of the RC car.
 Fusion of Software & Hardware
 -----------------------------
 
-.. code-clock:: c
+.. code-block:: c
 
     struct motors_rpm {
         int motor1_rpm_pcm;