diff --git a/docs/conf.py b/docs/conf.py
index bbf98149..45abe4d5 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -53,6 +53,7 @@
     'IPython.sphinxext.ipython_console_highlighting',
     #'numpydoc',
     'sphinx.ext.viewcode',
+    'sphinxcontrib.prettyspecialmethods',
     'sphinxcontrib.bibtex',
 
     #'sphinx.ext.mathjax',
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 88be0d08..266b8678 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -6,6 +6,7 @@ nbsphinx
 ipywidgets
 sphinx>=2.4
 sphinx_rtd_theme
+sphinxcontrib-prettyspecialmethods
 sphinxcontrib-bibtex
 
 # needed to avoid https://github.com/sphinx-doc/sphinx/issues/8198