diff --git a/.gitignore b/.gitignore
index f56c8f74..9c15768f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,8 +25,9 @@ output/*.html
 output/*/index.html
 
 # Sphinx documentation
-/doc/_build
+/doc/_build/
 /doc/examples/
+/doc/backrefs/
 
 # Vim swap files
 .*.swp
diff --git a/doc/conf.py b/doc/conf.py
index fc95a1cc..c1986fb0 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -46,9 +46,9 @@
     'examples_dirs': '../examples',
     'gallery_dirs': 'examples',
     'filename_pattern': '/',
-    'reference_url': {
-        'pygsp': None,
-    },
+    'reference_url': {'pygsp': None},
+    'backreferences_dir': 'backrefs',
+    'doc_module': 'pygsp',
     'show_memory': True,
 }