diff --git a/docs/_themes/kr/layout.html b/docs/_themes/kr/layout.html
index 121e296..7b67150 100755
--- a/docs/_themes/kr/layout.html
+++ b/docs/_themes/kr/layout.html
@@ -1,7 +1,7 @@
 {%- extends "basic/layout.html" %}
 {%- block extrahead %}
   {{ super() }}
-  <link href='http://fonts.googleapis.com/css?family=Open+Sans:400|Antic+Slab' rel='stylesheet' type='text/css'>
+  <link href="//fonts.googleapis.com/css?family=Open+Sans:400|Antic+Slab" rel="stylesheet" type="text/css">
   {% if theme_touch_icon %}
     <link rel="apple-touch-icon" href="{{ pathto('_static/' ~ theme_touch_icon, 1) }}" />
   {% endif %}