[TASK] Reformat chapter "Backend languages" (#253)

Releases: main, 11.5

Co-authored-by: Chris Müller <2566282+brotkrueml@users.noreply.github.com>

Documentation/Setup/BackendLanguages.rst

@@ -1,44 +1,71 @@
-.. include:: /Includes.rst.txt
+..  include:: /Includes.rst.txt
 
-.. index:: languages, backend language
+..  index:: languages, backend language
 
-.. _backendlanguages:
+..  _backendlanguages:
 
 =============================
-Changing The Backend Language
+Changing the backend language
 =============================
 
-By default, TYPO3s backend is set to English with no additional languages available.
+By default, TYPO3's backend is set to English with no additional languages
+available.
 
-To install an additional language pack and have it set as the default backend language for your user account:
+.. contents:: **Table of Contents**
+   :depth: 1
+   :local:
 
-* :guilabel:`Admin Tools > Maintenance > Manage Languages Packs`
 
-.. include:: ../Images/AutomaticScreenshots/Modules/ManageLanguage.rst.txt
+Install an additional language pack
+===================================
 
-* Select "Add Language" and "Activate" the new language
+An additional language pack can be installed as an administrator in the backend:
 
-.. include:: ../Images/AutomaticScreenshots/Modules/ManageLanguagePacksAddLanguage.rst.txt
+..  rst-class:: bignums
 
-.. include:: ../Images/AutomaticScreenshots/Modules/ManageLanguagePacksAddLanguageAddSuccess.rst.txt
+1.  Go to :guilabel:`Admin Tools > Maintenance > Manage Languages Packs`
 
-* :guilabel:`Toolbar (top right) > User Avatar > User Settings`
+    ..  include:: /Images/AutomaticScreenshots/Modules/ManageLanguage.rst.txt
 
-* :guilabel:`Language > Select the new language > Save > Reload the browser`
+2.  Select :guilabel:`Add Language` and activate the new language:
 
-.. include:: ../Images/AutomaticScreenshots/BackendUsers/SettingsLanguage.rst.txt
+    ..  include:: /Images/AutomaticScreenshots/Modules/ManageLanguagePacksAddLanguage.rst.txt
 
-Note, this change only applies to your account.
+3.  The selected language is now available:
 
-Change The Backend Language Of Another User
--------------------------------------------
+    ..  include:: /Images/AutomaticScreenshots/Modules/ManageLanguagePacksAddLanguageAddSuccess.rst.txt
 
-* :guilabel:`System > Backend Users`
 
-.. include:: ../Images/AutomaticScreenshots/BackendUsers/BackendUserListing.rst.txt
+Set the language as backend language for yourself
+=================================================
 
-* Select the user
+One of the available backend languages can be selected in your user account.
+Go to :guilabel:`Toolbar (top right) > User Avatar > User Settings` and select
+the new language from the field :guilabel:`Language`:
 
-* :guilabel:`User Interface Language > Select New language`
+..  include:: /Images/AutomaticScreenshots/BackendUsers/SettingsLanguage.rst.txt
 
-.. include:: ../Images/AutomaticScreenshots/BackendUsers/SwitchUserLanguage.rst.txt
+Save the settings and reload the browser content.
+
+..  note::
+    This change only applies to your account.
+
+
+Change the backend language of another user
+===========================================
+
+As an administrator you can change the backend language of another user.
+
+..  rst-class:: bignums
+
+1.  Go to :guilabel:`System > Backend Users`
+
+    ..  include:: /Images/AutomaticScreenshots/BackendUsers/BackendUserListing.rst.txt
+
+2.  Select the user
+
+3.  Change the language
+
+    Select the new language from the field :guilabel:`User Interface Language`.
+
+    ..  include:: /Images/AutomaticScreenshots/BackendUsers/SwitchUserLanguage.rst.txt