Improve Help about universal intro

Change-Id: I79c151196c8fec10becf4c4d14f75db465bcfb91
diff --git a/bundles/org.eclipse.platform.doc.isv/guide/ua_intro.htm b/bundles/org.eclipse.platform.doc.isv/guide/ua_intro.htm
index cf505de..91a971a 100644
--- a/bundles/org.eclipse.platform.doc.isv/guide/ua_intro.htm
+++ b/bundles/org.eclipse.platform.doc.isv/guide/ua_intro.htm
@@ -17,7 +17,7 @@
 These extension points allow plug-ins to define specialized pages that introduce a
 platform product to new users. The Intro pages are  shown the first time a 
 product is started  guiding users into discovering a product's 
-functionality.  An Intro can be anything from a single page displaying a Macromedia Flash demo, to multiple
+functionality.  An Intro can be anything from a single page displaying a demo video, to multiple
 pages that are extensible and follow the Eclipse platform's pluggable architecture.
 </p>
 
diff --git a/bundles/org.eclipse.platform.doc.isv/guide/ua_intro_universal_contributing.htm b/bundles/org.eclipse.platform.doc.isv/guide/ua_intro_universal_contributing.htm
index bb17cab..0fc7326 100644
--- a/bundles/org.eclipse.platform.doc.isv/guide/ua_intro_universal_contributing.htm
+++ b/bundles/org.eclipse.platform.doc.isv/guide/ua_intro_universal_contributing.htm
@@ -87,7 +87,7 @@
   <li>
     <b>introBrandingImage</b> - the value of the property represents the 
     file name of the image to be used as the root page brand mark. The image 
-    should ideally be PNG with alpha blending but other formats are also valid. 
+    should ideally be as SVG file or a PNG file with alpha blending. 
     Image file names relative to the product bundle must have a 'product:' 
     prefix. 
   </li>
@@ -103,7 +103,7 @@
     plugin.properties file.
   </li>
 </ul>
-<p>As of version 4.6, the universal intro supports replacing file-based
+<p>The universal intro supports replacing file-based
 properties such as <b>introBrandingImage</b> with a theme-specific
 alternative.  For example, a product may contribute a <b>introBrandingImage</b>
 as <code>"product:gizmo.png"</code>, but this image does not match the