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>
(cherry picked from commit 17b7996)
Signed-off-by: Andriy Redko <andriy.redko@aiven.io>

CHANGELOG.md

@@ -13,6 +13,8 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Deprecated
 ### Removed
 ### Fixed
+- Update help output for _cat ([#14722](https://github.com/opensearch-project/OpenSearch/pull/14722))
+
 ### Security
 
 [Unreleased]: https://github.com/opensearch-project/OpenSearch/compare/1.3.15...HEAD

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

@@ -163,9 +163,9 @@ 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");