diff --git a/_layouts/default.html b/_layouts/default.html
index c76dcbd..f4d3255 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -2,8 +2,8 @@
 <html>
   <head>
     <meta charset="utf-8" />
-    <meta http-equiv='X-UA-Compatible' content='IE=edge'>
-    <meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0'>
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
 
     <title>{% if page.title %}{{ page.title }} – {% endif %}{{ site.name }} – {{ site.description }}</title>
 
