diff --git a/ESP-IDF_Robot/tutorial/docs/source/overview.rst b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
index 254bec0da..74337c08d 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
 -----------------------------
 
-The _struct_ for storing motors PWM values.
+The *struct* for storing motors PWM values.
 
 .. code-block:: c