Update TOC.yml

Author: sreekzz

articles/hdinsight/TOC.yml

@@ -704,7 +704,7 @@ items:
       - name: SSL Encryption and Authentication
         href: ./kafka/apache-kafka-ssl-encryption-authentication.md
       - name: Kafka MirrorMaker 2.0 guide
-        href: ./kafka/kafka-mirroraker-2-0-guide.md  
+        href: ./kafka/kafka-mirrormaker-2-0-guide.md  
     - name: Troubleshoot
       items:
       - name: Insufficient fault domains