minor #16115 [Doctrine] Update doctrine.rst (BahmanMD)

This PR was merged into the 5.3 branch.

Discussion
----------

[Doctrine] Update doctrine.rst

Corrected some problems

Commits
-------

9931fd6 Update doctrine.rst

Author: javiereguiluz

doctrine.rst

@@ -233,9 +233,11 @@ already installed:
 
 If everything worked, you should see something like this:
 
+.. code-block:: text
+
     SUCCESS!
 
-    Next: Review the new migration "migrations/Version20180207231217.php"
+    Next: Review the new migration "migrations/Version20211116204726.php"
     Then: Run the migration with php bin/console doctrine:migrations:migrate
 
 If you open this file, it contains the SQL needed to update your database! To run