More syntax fixes

Author: wouterj

serializer/encoders.rst

@@ -65,7 +65,7 @@ are available to customize the behavior of the encoder:
 ``csv_end_of_line`` (default: ``\n``)
     Sets the character(s) used to mark the end of each line in the CSV file.
 ``csv_escape_char`` (default: empty string)
-    .. deprecated::
+    .. deprecated:: 7.2
 
         The ``csv_escape_char`` option was deprecated in Symfony 7.2.