minor #15416 * setup.rst - documentation bugfix (StaffNowa)

This PR was merged into the 5.2 branch.

Discussion
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* setup.rst - documentation bugfix

I think we have a bug with documentation in the composer setup.

Commits
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e518503 * setup.rst - documentation bugfix

Author: javiereguiluz

setup.rst

@@ -50,10 +50,10 @@ application:
 .. code-block:: terminal
 
     # run this if you are building a traditional web application
-    $ symfony new my_project_name --full
+    $ symfony new my_project_name --version=5.2 --full
 
     # run this if you are building a microservice, console application or API
-    $ symfony new my_project_name
+    $ symfony new my_project_name --version=5.2
 
 The only difference between these two commands is the number of packages
 installed by default. The ``--full`` option installs all the packages that you
@@ -65,10 +65,10 @@ Symfony application using Composer:
 .. code-block:: terminal
 
     # run this if you are building a traditional web application
-    $ composer create-project symfony/website-skeleton my_project_name
+    $ composer create-project symfony/website-skeleton:"5.2.*" my_project_name
 
     # run this if you are building a microservice, console application or API
-    $ composer create-project symfony/skeleton my_project_name
+    $ composer create-project symfony/skeleton:"5.2.*" my_project_name
 
 No matter which command you run to create the Symfony application. All of them
 will create a new ``my_project_name/`` directory, download some dependencies