doc: fix lint in CHANGELOG_V6

introduced in 7b9c9b3 PR-URL: #25233 Reviewed-By: Rich Trott <[email protected]> Reviewed-By: Gus Caplan <[email protected]>

Author: MylesBorins

doc/changelogs/CHANGELOG_V6.md

@@ -85,7 +85,7 @@ a missing CLI flag to adjust the max header size of the http parser.
 
 ### Notable Changes
 
-* **cli**:
+* **cli**:
  - add --max-http-header-size flag (cjihrig) [#24811](https://github.com/nodejs/node/pull/24811)
 * **http**:
  - add maxHeaderSize property (cjihrig) [#24860](https://github.com/nodejs/node/pull/24860)