diff --git a/docs/source/conf.py b/docs/source/conf.py
index 80574df..bf2443f 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -33,6 +33,7 @@
 extensions = [
     'sphinx.ext.autodoc',
     'sphinx.ext.viewcode',
+    'sphinx.ext.napoleon',
 ]
 
 # Add any paths that contain templates here, relative to this directory.
diff --git a/docs/source/modules.rst b/docs/source/modules.rst
index 9f4fe1b..dc6d894 100644
--- a/docs/source/modules.rst
+++ b/docs/source/modules.rst
@@ -5,3 +5,4 @@
    :members:
    :undoc-members:
    :show-inheritance:
+