[BUGFIX] Correct the DDEV configuration command for the current versi…

…on (#400) (#402)

Co-authored-by: Jan <jan@greth.me>
Co-authored-by: Jan Greth <jg@medienpalast.net>

Documentation/Installation/TutorialDdev.rst

@@ -51,12 +51,16 @@ of preconfigured projects.
 
  Project Type [php, typo3, ...] (php): typo3
 
-project-type
+Docroot Location
+ Is the folder containing files that have to be reached by
+ the webserver. It contains the vital entry point :file:`index.php`. The folder is commonly called :file:`public`.
+
+Project Type
  Should always be "typo3"
 
-docroot
- Is the folder in which all files that have to be reached by
- the browser. This folder is commonly called :file:`public`.
+.. note::
+ The PHP version (:yaml:`php_version`) should be set manually to the required
+ version in :file:`.ddev/config.yaml`.
 
 Alternatively you can skip the prompt by supplying all of the required parameters in a single command: