fix #12298

docs/getting-started.html

@@ -486,7 +486,7 @@ bootstrap/
 {% highlight css %}
 @-ms-viewport       { width: device-width; }
 {% endhighlight %}
-  <p>However, this doesn't work as it causes Windows Phone 8 devices to show a mostly desktop view instead of narrow "phone" view. To address this, you'll need to <strong>include the following CSS and JavaScript to work around the bug until Microsoft issues a fix</strong>.</p>
+  <p>However, this doesn't work for devices running Windows Phone 8 versions older than <a href="http://blogs.windows.com/windows_phone/b/wpdev/archive/2013/10/14/introducing-windows-phone-preview-for-developers.aspx">Update 3 (a.k.a. GDR3)</a>, as it causes such devices to show a mostly desktop view instead of narrow "phone" view. To address this, you'll need to <strong>include the following CSS and JavaScript to work around the bug</strong>.</p>
 {% highlight css %}
 @-webkit-viewport   { width: device-width; }
 @-moz-viewport      { width: device-width; }