docs: a couple doc bug fixes

Change-Id: I37b2adf9d30249eb9c0cbb007d9172d3956421b5

Author: scottamain

docs/html/guide/topics/data/backup.jd

@@ -445,7 +445,7 @@ onBackup()}.
 <p>For an example implementation of {@link android.app.backup.BackupAgent}, see the <a
 href="{@docRoot}resources/samples/BackupRestore/src/com/example/android/backuprestore/ExampleAgent.html">{@code
 ExampleAgent}</a> class in the <a
-href="{@docRoot}}resources/samples/BackupRestore/index.html">Backup and Restore</a> sample
+href="{@docRoot}resources/samples/BackupRestore/index.html">Backup and Restore</a> sample
 application.</p>
 </div>
 

docs/html/resources/tutorials/views/hello-webview.jd

@@ -12,7 +12,7 @@ that can view and navigate web pages.</p>
    <li>Open the <code>res/layout/main.xml</code> file and insert the following:
 <pre>
 &lt;?xml version="1.0" encoding="utf-8"?>
-&lt;WebView
+&lt;WebView  xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/webview"
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
@@ -79,7 +79,7 @@ private class HelloWebViewClient extends WebViewClient {
   </li>
   <li>Then towards the end of the {@link android.app.Activity#onCreate(Bundle)} method, set an
   instance of the <code>HelloWebViewClient</code> as the {@link android.webkit.WebViewClient}:
-   <pre>mWebView.setWebViewClient(new WebViewClientDemo());</pre>
+   <pre>mWebView.setWebViewClient(new HelloWebViewClient());</pre>
 
     <p>This line can go anywhere following the initialization of the {@link
     android.webkit.WebView} object.</p>