diff --git a/doc/index.rst b/doc/index.rst
index d07cf0bcca1..20cb0c5c751 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -22,6 +22,12 @@ Zephyr Project Documentation
 
    `Zephyr 1.5.0`_ | `Zephyr 1.6.0`_ | `Zephyr 1.7.0`_ | `Zephyr 1.8.0`_
 
+Source code for the Zephyr Project is maintained in the
+`Zephyr Project GitHub repository`_.
+
+.. _Zephyr Project GitHub repository:
+   https://github.com/zephyrproject-rtos/zephyr
+
 Sections
 ********