[8.11] [DOCS] refer to Enterprise Search service in release notes (#1…

…70620) (#170659)

# Backport

This will backport the following commits from `main` to `8.11`:
- [[DOCS] refer to Enterprise Search service in release notes
(#170620)](#170620)

<!--- Backport version: 8.9.7 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

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Co-authored-by: Liam Thompson <[email protected]>

docs/CHANGELOG.asciidoc

@@ -129,8 +129,8 @@ Discover::
 * Adds resize support to the Discover field list sidebar ({kibana-pull}167066[#167066]).
 Elastic Security::
 For the Elastic Security 8.11.0 release information, refer to {security-guide}/release-notes.html[_Elastic Security Solution Release Notes_].
-Enterprise Search::
-For the Elastic Enterprise Search 8.11.0 release information, refer to {enterprise-search-ref}/changelog.html[_Elastic Enterprise Search Documentation Release notes_].
+Enterprise Search service::
+For the Elastic Enterprise Search service 8.11.0 release information, refer to {enterprise-search-ref}/changelog.html[_Elastic Enterprise Search Release notes_].
 Fleet::
 * Set env variable `ELASTIC_NETINFO:false` in {kib} ({kibana-pull}166156[#166156]).
 * Added restart upgrade action ({kibana-pull}166154[#166154]).