PEP 587: Fix warnings options priority

Author: vstinner

pep-0587.rst

@@ -981,11 +981,12 @@ Priority of configuration parameters, highest to lowest:
 Priority of warning options, highest to lowest:
 
 * ``PyConfig.warnoptions``
-* ``PyConfig.dev_mode`` (add ``"default"``)
-* ``PYTHONWARNINGS`` environment variables
-* ``-W WARNOPTION`` command line argument
-* ``PyConfig.bytes_warning`` (add ``"error::BytesWarning"`` if greater
-  than 1, or add ``"default::BytesWarning``)
+* ``PySys_AddWarnOption()``
+* ``PyConfig.bytes_warning`` (add ``"error::BytesWarning"`` filter if
+  greater than 1, add ``"default::BytesWarning`` filter if equals to 1)
+* ``-W opt`` command line argument
+* ``PYTHONWARNINGS`` environment variable
+* ``PyConfig.dev_mode`` (add ``"default"`` filter)
 
 Rules on ``PyConfig`` parameters: