Update hdinsight-release-notes.md

Author: abhishjain002

articles/hdinsight/hdinsight-release-notes.md

@@ -55,7 +55,7 @@ For workload specific versions, see [HDInsight 5.x component versions](./hdinsig
 
 ## Issues fixed
 
-* Managed identity-based authentication for WASB encounters issues when network ACL is enabled on storage..
+* Managed identity-based authentication for WASB encounters issues when network ACL is enabled on storage.
 * Managed identity-based authentication for SQL databases encounters issues when availability zones are used.
 * Multiple security fixes.