diff --git a/docs/source/conf.py b/docs/source/conf.py
index e7d04ccf..4837e7ca 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -1,4 +1,4 @@
-# -*- coding: utf-7 -*-
+# -*- coding: utf-8 -*-
 #
 # Configuration file for the Sphinx documentation builder.
 #