diff --git a/docs/source/conf.py b/docs/source/conf.py
index cc478dd62b91dff3c0276b236de6a6a0fd9d448e..4a482c98d9ef5a764939f34283b30f48887a7bb6 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -23,6 +23,7 @@ extensions = [
     'sphinx.ext.intersphinx',
     'sphinx.ext.napoleon',
     'nbsphinx',
+    'sphinx_rtd_theme',
 ]
 
 autodoc_mock_imports = ['numpy','scipy','xarray','pandas','netCDF4','osselyze','osselyze.utils']
diff --git a/docs/source/dartwrf.rst b/docs/source/dartwrf.rst
index 9d0143c46d34ab052303f4ca8160869ca0e72ec1..b69fef0cf5808a139263d7936177c630efbc953b 100644
--- a/docs/source/dartwrf.rst
+++ b/docs/source/dartwrf.rst
@@ -12,10 +12,10 @@ Subpackages
 Submodules
 ----------
 
-dartwrf.assim\_synth\_obs module
+dartwrf.assimilate module
 --------------------------------
 
-.. automodule:: dartwrf.assim_synth_obs
+.. automodule:: dartwrf.assimilate
    :members:
    :undoc-members:
    :show-inheritance: