fixing toc syntax

Author: batamig

articles/defender-for-iot/organizations/TOC.yml

@@ -130,7 +130,7 @@
     items:
     - name: Integration catalog
       href: integrate-overview.md
-    - name: Stream cloud alerts to a 3rd party SIEM
+    - name: Stream cloud alerts to a partner SIEM
       href: integrations/send-cloud-data-to-partners.md
     - name: Aruba ClearPass
       href: tutorial-clearpass.md