diff --git a/ESP-IDF_Robot/tutorial/docs/source/overview.rst b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
index 7c302a84d..7ea05f386 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/overview.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
@@ -38,7 +38,7 @@ The following images illustrate various PWM duty cycles registered by oscillosco
 
     DC Motor PWM duty cycle 47.6%
 
-.. gigure:: _static/ESP-IDF_Robot_PWM_Duty-95.bmp
+.. figure:: _static/ESP-IDF_Robot_PWM_Duty-95.bmp
     
     DC Motor PWM duty cycle 90.8%