Add format note in the footer (#1735)

Author: cotti

src/Elastic.Documentation.Site/Layout/_Footer.cshtml

@@ -27,9 +27,14 @@
 				© @(DateTime.Today.Year) Elasticsearch B.V. All Rights Reserved.
 			</p>
 		</div>
-		<p class="mt-4">
-			Elasticsearch is a trademark of Elasticsearch B.V., registered in the U.S. and in other countries. Apache, Apache Lucene, Apache Hadoop, Hadoop, HDFS and the yellow elephant logo are trademarks of the Apache Software Foundation in the United States and/or other countries.
-		</p>
+		<div class="mt-4">
+			<p>
+				This content is available in different formats for convenience only. All original licensing terms apply.
+			</p>
+			<p class="mt-4">
+				Elasticsearch is a trademark of Elasticsearch B.V., registered in the U.S. and in other countries. Apache, Apache Lucene, Apache Hadoop, Hadoop, HDFS and the yellow elephant logo are trademarks of the Apache Software Foundation in the United States and/or other countries. 
+			</p>
+		</div>
 	</div>
 	</div>
 </footer>