Fix a broken link reference found during mkdocs serve (branch 14) (#771)

Author: philip

docs/release-notes-v14.6.md

@@ -12,7 +12,7 @@ enable solving essential practical tasks efficiently.
 
 This release of Percona Distribution for PostgreSQL is based on [PostgreSQL 14.6 ](https://www.postgresql.org/docs/14/release-14-6.html). 
 
-Percona Distribution for PostgreSQL now includes the [meta-packages](installing.md#package-contents) that simplify its installation. The `percona-ppg-server` meta-package installs PostgreSQL and the extensions, while `percona-ppg-server-ha` package installs high-availability components that are recommended by Percona.
+Percona Distribution for PostgreSQL now includes the [meta-packages](repo-overview.md#repository-contents) that simplify its installation. The `percona-ppg-server` meta-package installs PostgreSQL and the extensions, while `percona-ppg-server-ha` package installs high-availability components that are recommended by Percona.
 
 The following is the list of extensions available in Percona Distribution for PostgreSQL.