diff --git a/ESP-IDF_Robot/tutorial/docs/source/references.rst b/ESP-IDF_Robot/tutorial/docs/source/references.rst
index 3eeadc8c4..f9b49a510 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/references.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/references.rst
@@ -1,7 +1,9 @@
 REFERENCES
 ==========
 
+GitHub
+------
 
-GitHub_ containing complete source code with README.md file: https://github.com/alexandrebobkov/ESP-Nodes/blob/main/ESP-IDF_Robot/README.md
+Complete source code_ with README.md file: https://github.com/alexandrebobkov/ESP-Nodes/blob/main/ESP-IDF_Robot/README.md
 
-.. _GitHub: https://github.com/alexandrebobkov/ESP-Nodes/blob/main/ESP-IDF_Robot/README.md
\ No newline at end of file
+.. _code: https://github.com/alexandrebobkov/ESP-Nodes/blob/main/ESP-IDF_Robot/README.md
\ No newline at end of file