diff --git a/django/contrib/comments/templates/comments/400-debug.html b/django/contrib/comments/templates/comments/400-debug.html
index 29593b574bb75..7fd20416bed9c 100644
--- a/django/contrib/comments/templates/comments/400-debug.html
+++ b/django/contrib/comments/templates/comments/400-debug.html
@@ -5,6 +5,7 @@
   <title>Comment post not allowed (400)</title>
   <meta name="robots" content="NONE,NOARCHIVE" />
   <style type="text/css">
+  <![CDATA[
     html * { padding:0; margin:0; }
     body * { padding:10px 20px; }
     body * * { padding:0; }
@@ -20,6 +21,7 @@
     #info ol li { font-family: monospace; }
     #summary { background: #ffc; }
     #explanation { background:#eee; border-bottom: 0px none; }
+  ]]>
   </style>
 </head>
 <body>
diff --git a/django/contrib/comments/templates/comments/base.html b/django/contrib/comments/templates/comments/base.html
index 0f58e3e6ecfcb..c8b9517490258 100644
--- a/django/contrib/comments/templates/comments/base.html
+++ b/django/contrib/comments/templates/comments/base.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 <html xmlns="http://www.w3.org/1999/xhtml">
 <head>
-  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   <title>{% block title %}{% endblock %}</title>
 </head>
 <body>
