Bug 578932 - Add help stubs for 4.23

Change-Id: I4b6970bbe69d6b7efb56fc89e43108a9355654f9
Signed-off-by: Kalyan Prasad Tatavarthi <kalyan_prasad@in.ibm.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform/+/191132
diff --git a/platform/org.eclipse.platform/intro/migrateExtensionContent.xml b/platform/org.eclipse.platform/intro/migrateExtensionContent.xml
index 1d4eb4a..0054e31 100644
--- a/platform/org.eclipse.platform/intro/migrateExtensionContent.xml
+++ b/platform/org.eclipse.platform/intro/migrateExtensionContent.xml
@@ -3,8 +3,8 @@
   <!-- Extension to the SDK Migration Page. -->
   <extensionContent id="org.eclipse.platform" name="Eclipse Platform" alt-style="css/migrate.properties" style="css/migrate.css" path="migrate/@">
      <group id="content-group" style-id="content-group">
-    	<link style-id="content-link" label="Eclipse Platform" url="http://org.eclipse.ui.intro/showHelpTopic?id=/org.eclipse.platform.doc.isv/porting/eclipse_4_22_porting_guide.html" id="platform">
-      		<text>Eclipse Platform 4.22 Plug-in Migration Guide</text>
+    	<link style-id="content-link" label="Eclipse Platform" url="http://org.eclipse.ui.intro/showHelpTopic?id=/org.eclipse.platform.doc.isv/porting/eclipse_4_23_porting_guide.html" id="platform">
+      		<text>Eclipse Platform 4.23 Plug-in Migration Guide</text>
     	</link>
      </group>
   </extensionContent>