diff --git a/admin_manual/configuration_server/config_sample_php_parameters.rst b/admin_manual/configuration_server/config_sample_php_parameters.rst
index 96ff679f8..8e1b9e040 100644
--- a/admin_manual/configuration_server/config_sample_php_parameters.rst
+++ b/admin_manual/configuration_server/config_sample_php_parameters.rst
@@ -224,7 +224,11 @@ This sets the default language on your Nextcloud server, using ISO_639-1
 language codes such as ``en`` for English, ``de`` for German, and ``fr`` for
 French. It overrides automatic language detection on public pages like login
 or shared items. User's language preferences configured under "personal ->
-language" override this setting after they have logged in.
+language" override this setting after they have logged in. Nextcloud has two
+distinguished language codes for German, 'de' and 'de_DE'. 'de' is used for
+informal German and 'de_DE' for formal German. By setting this value to 'de_DE'
+you can enforce the formal version of German unless the user has chosen
+something different explicitly.
 
 Defaults to ``en``
 
@@ -321,6 +325,10 @@ The directory where the skeleton files are located. These files will be
 copied to the data directory of new users. Leave empty to not copy any
 skeleton files.
 
+``{lang}`` can be used as a placeholder for the language of the user.
+If the directory does not exist, it falls back to non dialect (from ``de_DE``
+to ``de``). If that does not exist either, it falls back to ``default``
+
 Defaults to ``core/skeleton`` in the Nextcloud directory.
 
 ::
@@ -1266,8 +1274,8 @@ Available failover modes:
 
 WARNING: FAILOVER_DISTRIBUTE is a not recommended setting and we strongly
 suggest to not use it if you use Redis for file locking. Due to the way Redis
-is synchronised it could happen, that the read for an existing lock is
-scheduled to a slave that is not fully synchronised with the connected master
+is synchronized it could happen, that the read for an existing lock is
+scheduled to a slave that is not fully synchronized with the connected master
 which then causes a FileLocked exception.
 
 See https://redis.io/topics/cluster-spec for details about the Redis cluster