Correct wording in Setup.rst (#537)

Co-authored-by: Sandra Erbel <Alagts@users.noreply.github.com>

Documentation/UserTsconfig/Setup.rst

@@ -18,8 +18,7 @@ The :guilabel:`User > User settings` module may only represent a subset of the o
 
  Default values and overriding values in the :guilabel:`User > User settings` module
 
-Properties from the list below are available the different prefixes `setup.default` and `setup.override`,
-and there is another prefix to hide single fields:
+The following properties are available:
 
 .. _user-setup-properties:
 
@@ -39,12 +38,13 @@ setup.default.[someProperty]
  :name: user-setup-default
  :type: any
 
- This sets *default* values of the property. A user may override these
- using its :guilabel:`User Settings` module. This affects only *new* users who did
- not login yet. It is not usually not possible to set new defaults for users
- who already logged in at least once. The only way to apply new defaults to
- existing users is by :guilabel:`Reset Backend User Preferences` in the
- :guilabel:`Admin tools > Maintenance` section of the install tool.
+ With this property you can set *default* values. In case a backend user may override these settings
+ using its :guilabel:`User Settings` module the default settings will be overridden 
+ for this specific backend user. To change the defaults for users with this 
+ property only affects *new* users who did not login yet. It is usually not 
+ possible to set new defaults for users who already logged in, at least once. 
+ The only way to apply new defaults to existing users is by :guilabel:`Reset Backend User Preferences` 
+ in the :guilabel:`Admin tools > Maintenance` section of the install tool.
 
  .. literalinclude:: _Setup/_user-setup-default.tsconfig
  :language: typoscript