diff --git a/src/Platform/CMakeLists.txt b/src/Platform/CMakeLists.txt
index afabc07ad..e0d0461a1 100644
--- a/src/Platform/CMakeLists.txt
+++ b/src/Platform/CMakeLists.txt
@@ -86,7 +86,7 @@ endif()
 
 # JavaScript and CSS stuff for NaCl
 if(WITH_NACLAPPLICATION OR WITH_WINDOWLESSNACLAPPLICATION)
-    install(FILES NaClApplication.js NaClApplication.css DESTINATION ${MAGNUM_DATA_INSTALL_DIR})
+    install(FILES NaClApplication.js WebApplication.css DESTINATION ${MAGNUM_DATA_INSTALL_DIR})
 endif()
 
 # GLX application
diff --git a/src/Platform/NaClApplication.h b/src/Platform/NaClApplication.h
index 815d39601..632232c02 100644
--- a/src/Platform/NaClApplication.h
+++ b/src/Platform/NaClApplication.h
@@ -75,26 +75,26 @@ to simplify porting.
 
 You need to provide HTML markup for your application. Template one is below,
 you can modify it to your liking. The markup references two files,
-`NaClApplication.js` and `NaClApplication.css`, both are in `Platform/`
+`NaClApplication.js` and `WebApplication.css`, both are in `Platform/`
 directory in the source tree and are also installed into `share/magnum/` inside
 your NaCl toolchain.
 @code
 <!DOCTYPE html>
-<html>
-<head>
-<title>Magnum NaCl Application</title>
-<meta charset="utf-8" />
-<link rel="stylesheet" href="NaClApplication.css" />
-</head>
-<body>
-<h1>Magnum NaCl Application</h1>
-<div id="listener">
-<script type="text/javascript" src="NaClApplication.js"></script>
-<embed id="module" type="application/x-nacl" src="application.nmf" />
-<div id="status">Initialization...</div>
-<div id="statusDescription"></div>
-</div>
-</body>
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <title>Magnum NaCl Application</title>
+    <meta charset="utf-8" />
+    <link rel="stylesheet" href="WebApplication.css" />
+  </head>
+  <body>
+    <h1>Magnum NaCl Application</h1>
+    <div id="listener">
+      <embed id="module" type="application/x-nacl" src="application.nmf" />
+      <div id="status">Initialization...</div>
+      <div id="statusDescription" />
+      <script src="NaClApplication.js"></script>
+    </div>
+  </body>
 </html>
 @endcode
 
diff --git a/src/Platform/NaClApplication.css b/src/Platform/WebApplication.css
similarity index 100%
rename from src/Platform/NaClApplication.css
rename to src/Platform/WebApplication.css
diff --git a/src/Platform/magnum-info-nacl.html b/src/Platform/magnum-info-nacl.html
index cd679fb9d..eb9941637 100644
--- a/src/Platform/magnum-info-nacl.html
+++ b/src/Platform/magnum-info-nacl.html
@@ -1,41 +1,41 @@
 <!DOCTYPE html>
-<html>
-<head>
-<title>Magnum Info</title>
-<meta charset="utf-8" />
-<link rel="stylesheet" href="NaClApplication.css" />
-<style type="text/css">
-#module {
-    position: absolute;
-    visibility: hidden; /* The module doesn't display anything */
-}
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <title>Magnum Info</title>
+    <meta charset="utf-8" />
+    <link rel="stylesheet" href="WebApplication.css" />
+    <style type="text/css">
+      #module {
+        position: absolute;
+        visibility: hidden; /* The module doesn't display anything */
+      }
 
-#info {
-    width: 640px;
-    height: 480px;
-    overflow: auto;
-    font-family: monospace;
-    white-space: pre-wrap;
-}
-</style>
-</head>
-<body>
-<h1>Magnum Info</h1>
-<div id="listener">
-<script type="text/javascript" src="NaClApplication.js"></script>
-<script type="text/javascript">
-function messageReceived(message) {
-    var info = document.getElementById('info');
-    info.innerHTML += message.data;
-}
+      #info {
+        width: 640px;
+        height: 480px;
+        overflow: auto;
+        font-family: monospace;
+        white-space: pre-wrap;
+      }
+    </style>
+  </head>
+  <body>
+    <h1>Magnum Info</h1>
+    <div id="listener">
+      <embed id="module" type="application/x-nacl" src="magnum-info.nmf" />
+      <div id="status">Initialization...</div>
+      <div id="statusDescription" />
+      <div id="info" />
+      <script src="NaClApplication.js"></script>
+      <script type="text/javascript">
+        function messageReceived(message) {
+          var info = document.getElementById('info');
+          info.innerHTML += message.data;
+        }
 
-var listener = document.getElementById('listener');
-listener.addEventListener('message', messageReceived, true);
-</script>
-<embed id="module" type="application/x-nacl" src="magnum-info.nmf" />
-<div id="status">Initialization...</div>
-<div id="statusDescription"></div>
-<div id="info"></div>
-</div>
-</body>
+        var listener = document.getElementById('listener');
+        listener.addEventListener('message', messageReceived, true);
+      </script>
+    </div>
+  </body>
 </html>
