Merge branch '5.0'

* 5.0:
  Update setup.rst

Author: javiereguiluz

setup.rst

@@ -243,6 +243,16 @@ stable version. If you want to use an LTS version, add the ``--version`` option:
     # use the 'next' Symfony version to be released (still in development)
     $ symfony new my_project_name --version=next
 
+    # you can also select an exact specific Symfony version
+    $ symfony new my_project_name --version=4.4
+
+The ``lts`` and ``next`` shortcuts are only available when using Symfony to
+create new projects. If you use Composer, you need to tell the exact version:
+
+.. code-block:: terminal
+
+    $ composer create-project symfony/website-skeleton:^4.4 my_project_name
+
 The Symfony Demo application
 ----------------------------