diff --git a/ESP-IDF_Robot/tutorial/docs/source/conf.py b/ESP-IDF_Robot/tutorial/docs/source/conf.py
index fccc95687..60772fa3d 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/conf.py
+++ b/ESP-IDF_Robot/tutorial/docs/source/conf.py
@@ -38,7 +38,7 @@ simplepdf_title = 'ESP-IDF ESPNOW RC Car'
 simplepdf_author = 'Alexander B.'
 simplepdf_file_name = 'esp-idf_espnow_rc-car.pdf'
 simplepdf_vars = {
-#    'cover-overlay': '#047e2c',
+    'cover-overlay': '#047e2c',
 #    'cover-bg': "#034b1b",
     'primary-opaque': 'rgba(26, 150, 26, 0.8)',
     'primary': "#1A961A",