Linking in NetBeans Platform trail
diff --git a/netbeans.apache.org/src/content/help/index.asciidoc b/netbeans.apache.org/src/content/help/index.asciidoc
index 2fb2c16..e56375e 100644
--- a/netbeans.apache.org/src/content/help/index.asciidoc
+++ b/netbeans.apache.org/src/content/help/index.asciidoc
@@ -36,6 +36,8 @@
- link:/kb/docs/ide/index.html[Integration with External Tools and Services]
+- link:/kb/docs/platform/index.html[NetBeans Platform]
+
NOTE: The learning trails, tutorials, and related documentation are works in progress, incomplete, and being reviewed: link:https://issues.apache.org/jira/browse/NETBEANS-1867[NETBEANS-1867]. See link:http://netbeans.apache.org/kb/docs/contributing.html[our documentation contribution guidelines] to learn how you can help us.
== Other resources
