diff --git a/docs/sourcedocs.html b/docs/sourcedocs.html
index 454ea7d6770..660dcb2ef0e 100644
--- a/docs/sourcedocs.html
+++ b/docs/sourcedocs.html
@@ -41,6 +41,11 @@ run the doxygen scripts, you can read the documentation
 <a href="../doxygen/main/index.html">here</a>
 </p>
 
+<p>
+Gallium is also documented using Sphinx. The generated output can be found
+<a href="https://gallium.readthedocs.io">on Gallium.ReadTheDocs.io</a>.
+</p>
+
 </div>
 </body>
 </html>