diff --git a/x/XHTML.xhtml b/x/XHTML.xhtml
index 484054ed..dd96ee9d 100644
--- a/x/XHTML.xhtml
+++ b/x/XHTML.xhtml
@@ -1,11 +1,11 @@
 <!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/TR/xhtml1" xml:lang="en" lang="en">
- <head>
- <title>Hello World</title>
- <meta charset="UTF-8"/>
- </head>
- <body>
- <p>Hello World</p>
- </body>
- </html>
+   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/TR/xhtml1" xml:lang="en" lang="en">
+   <head>
+      <title>Hello World</title>
+      <meta charset="UTF-8"/>
+   </head>
+   <body>
+      <p>Hello World</p>
+   </body>
+</html>
