Fix: update help output for _cat (opensearch-project#14722)

* fixed help output for _cat

Signed-off-by: ahmedsobeh <ahmed.sobeh@aiven.io>

* updated changelog

Signed-off-by: ahmedsobeh <ahmed.sobeh@aiven.io>

* updated changelog

Signed-off-by: ahmedsobeh <ahmed.sobeh@aiven.io>

---------

Signed-off-by: ahmedsobeh <ahmed.sobeh@aiven.io>

CHANGELOG.md

@@ -80,6 +80,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Handle NPE in GetResult if "found" field is missing ([#14552](https://github.com/opensearch-project/OpenSearch/pull/14552))
 - Refactoring FilterPath.parse by using an iterative approach ([#14200](https://github.com/opensearch-project/OpenSearch/pull/14200))
 - Refactoring Grok.validatePatternBank by using an iterative approach ([#14206](https://github.com/opensearch-project/OpenSearch/pull/14206))
+- Update help output for _cat ([#14722](https://github.com/opensearch-project/OpenSearch/pull/14722))
 
 ### Security
 

server/src/main/java/org/opensearch/rest/action/cat/RestNodesAction.java

@@ -171,9 +171,9 @@ protected Table getTableWithHeader(final RestRequest request) {
         table.addCell("port", "default:false;alias:po;desc:bound transport port");
         table.addCell("http_address", "default:false;alias:http;desc:bound http address");
 
-        table.addCell("version", "default:false;alias:v;desc:es version");
-        table.addCell("type", "default:false;alias:t;desc:es distribution type");
-        table.addCell("build", "default:false;alias:b;desc:es build hash");
+        table.addCell("version", "default:false;alias:v;desc:os version");
+        table.addCell("type", "default:false;alias:t;desc:os distribution type");
+        table.addCell("build", "default:false;alias:b;desc:os build hash");
         table.addCell("jdk", "default:false;alias:j;desc:jdk version");
         table.addCell("disk.total", "default:false;alias:dt,diskTotal;text-align:right;desc:total disk space");
         table.addCell("disk.used", "default:false;alias:du,diskUsed;text-align:right;desc:used disk space");