diff --git a/docs/conf.py b/docs/conf.py
index 3212e6c..3d20e75 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -18,7 +18,7 @@
     "sphinx.ext.autodoc",
     "sphinx.ext.coverage",
     "sphinx.ext.napoleon",
-    "sphinx.ext.mathjax"
+    "sphinx.ext.mathjax",
     "myst_parser",  # mardown parser
     "nbsphinx",  # notebook viewer
     "nbsphinx_link",  # link to outside root directory