📝 Update docs

CHANGELOG.md

@@ -6,6 +6,14 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Added
+
+- Polish translation ([#497](https://github.com/jpanther/congo/pull/497))
+
+### Changed
+
+- Updated Russian translation ([#502](https://github.com/jpanther/congo/pull/502))
+
 ## [2.5.3] - 2023-03-05
 
 ### Added

exampleSite/content/docs/configuration/index.md

@@ -63,6 +63,7 @@ The theme currently supports the following languages out of the box:
 | :indonesia: Indonesian                  | `id`    |
 | :it: Italian                            | `it`    |
 | :jp: Japanese                           | `ja`    |
+| :poland: Polish                         | `pl`    |
 | :brazil: Portuguese (Brazil)            | `pt-br` |
 | :portugal: Portuguese (Portugal)        | `pt-pt` |
 | :romania: Romanian                      | `ro`    |