diff --git a/ESP-IDF_Robot/tutorial/docs/source/references.rst b/ESP-IDF_Robot/tutorial/docs/source/references.rst
index dd8a4c22a..829717416 100644
--- a/ESP-IDF_Robot/tutorial/docs/source/references.rst
+++ b/ESP-IDF_Robot/tutorial/docs/source/references.rst
@@ -1,4 +1,7 @@
 REFERENCES
 ==========
 
-GitHub: https://github.com/alexandrebobkov/ESP-Nodes/blob/main/ESP-IDF_Robot/README.md
\ No newline at end of file
+
+GitHub_ containing complete source code with README.md file:
+
+.. _GitHub: https://github.com/alexandrebobkov/ESP-Nodes/blob/main/ESP-IDF_Robot/README.md
\ No newline at end of file