diff --git a/docs/contribution.html b/docs/contribution.html
index 88af867..b512a26 100644
--- a/docs/contribution.html
+++ b/docs/contribution.html
@@ -25,7 +25,7 @@
   
 
   
-  
+
     <link rel="stylesheet" href="_static/css/theme.css" type="text/css" />