corrected typo in mkdocs.yml

mkdocs.yml

@@ -146,7 +146,7 @@ nav:
     - 'Borgmatic Backup': 'third_party/third_party-borgmatic.md'
     - 'Exchange Hybrid Setup': 'third_party/third_party-exchange_onprem.md'
     - 'Gitea': 'third_party/third_party-gitea.md'
-    - 'Gogs': 'tthird_party/hird_party-gogs.md'
+    - 'Gogs': 'third_party/third_party-gogs.md'
     - 'Mailman 3': 'third_party/third_party-mailman3.md'
     - 'Mailpiler Integration': 'third_party/third_party-mailpiler_integration.md'
     - 'Nextcloud': 'third_party/third_party-nextcloud.md'