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diff --git a/docs/_static/img/source_link_2.png b/docs/_static/img/source_link_2.png
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diff --git a/docs/modules/0_getting_started/3_how_to_contribute_main.rst b/docs/modules/0_getting_started/3_how_to_contribute_main.rst
index 1e61760649..30e3001f36 100644
--- a/docs/modules/0_getting_started/3_how_to_contribute_main.rst
+++ b/docs/modules/0_getting_started/3_how_to_contribute_main.rst
@@ -107,6 +107,18 @@ mathematics and the algorithm of the example.
 Documentations related codes should be in the python script as the header
 comments of the script or docstrings of each function.
 
+Also, each document should have a link to the code in Github.
+You can easily add the link by using the `.. autoclass::`, `.. autofunction::`, and `.. automodule` by Sphinx's `autodoc`_ module.
+
+Using this `autodoc`_ module, the generated documentations have the link to the code in Github like:
+
+.. image:: /_static/img/source_link_1.png
+
+When you click the link, you will jump to the source code in Github like:
+
+.. image:: /_static/img/source_link_2.png
+
+
 
 .. _`submit a pull request`:
 
@@ -210,5 +222,6 @@ Current Major Sponsors:
 .. _`1Password`: https://github.com/1Password/for-open-source
 .. _`matplotrecorder`: https://github.com/AtsushiSakai/matplotrecorder
 .. _`PythonRoboticsGifs`: https://github.com/AtsushiSakai/PythonRoboticsGifs
+.. _`autodoc`: https://www.sphinx-doc.org/en/master/usage/extensions/autodoc.html
 
 
diff --git a/requirements/requirements.txt b/requirements/requirements.txt
index 5438678f87..f3e6c3dc51 100644
--- a/requirements/requirements.txt
+++ b/requirements/requirements.txt
@@ -5,4 +5,4 @@ cvxpy == 1.5.3
 pytest == 8.3.5 # For unit test
 pytest-xdist == 3.6.1 # For unit test
 mypy == 1.15.0 # For unit test
-ruff == 0.11.0 # For unit test
+ruff == 0.11.6 # For unit test