Bug 578932 - Add help stubs for 4.23

Change-Id: I96fcdad5eec3ccf8f1340fdea60812195970a358
Signed-off-by: Kalyan Prasad Tatavarthi <kalyan_prasad@in.ibm.com>
Reviewed-on: https://git.eclipse.org/r/c/jdt/eclipse.jdt/+/191131
Tested-by: JDT Bot <jdt-bot@eclipse.org>
diff --git a/org.eclipse.jdt/intro/migrateExtensionContent.xml b/org.eclipse.jdt/intro/migrateExtensionContent.xml
index f1dcb09..61ff193 100644
--- a/org.eclipse.jdt/intro/migrateExtensionContent.xml
+++ b/org.eclipse.jdt/intro/migrateExtensionContent.xml
@@ -3,8 +3,8 @@
   <!-- Extension to the SDK Migration Page. -->
   <extensionContent id="org.eclipse.jdt" name="Java development tools" 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="Java development tools" url="http://org.eclipse.ui.intro/showHelpTopic?id=/org.eclipse.jdt.doc.isv/porting/eclipse_4_22_porting_guide.html" id="java">
-      		<text>Eclipse JDT 4.22 Plug-in Migration Guide</text>
+    	<link style-id="content-link" label="Java development tools" url="http://org.eclipse.ui.intro/showHelpTopic?id=/org.eclipse.jdt.doc.isv/porting/eclipse_4_23_porting_guide.html" id="java">
+      		<text>Eclipse JDT 4.23 Plug-in Migration Guide</text>
     	</link>
      </group>
   </extensionContent>