diff --git a/doc/conf.py b/doc/conf.py
index 798b00f..65df416 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -128,6 +128,8 @@ html_theme = 'alabaster'
 #
 # html_theme_options = {}
 
+html_theme_options = { 'show_related': True }
+
 # Add any paths that contain custom themes here, relative to this directory.
 # html_theme_path = []