diff --git a/ESP-IDF_Robot/tutorial/docs/source/overview.rst b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
index 288f0deb0..33f8fde4f 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/overview.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/overview.rst
@@ -34,6 +34,8 @@ The following images illustrate various PWM duty cycles recorded by oscilloscope
 
 .. image:: _static/ESP-IDF_Robot_PWM_Duty-50.bmp
 
+.. image:: _static/ESP-IDF_Robot_PWM_Duty-95.bmp
+
 .. raw:: html
 
    <br/><br/><br/><br/>