diff --git a/pep-0488.txt b/pep-0488.txt
index 1ecb52e1e..aa0cfeb8b 100644
--- a/pep-0488.txt
+++ b/pep-0488.txt
@@ -180,10 +180,10 @@ While this might lead to long file names, it is assumed that most
 users never look at the contents of the __pycache__ directory and so
 this won't be an issue.
 
-The ``debug_override`` parameter will be deprecated. As the parameter
-expects a boolean, the integer value of the boolean will be used as
-if it had been provided as the argument to ``optimization`` (a
-``None`` argument will mean the same as for ``optimization``). A
+The ``debug_override`` parameter will be deprecated. A ``False``
+value will be equivalent to ``optimization=1`` while a ``True``
+value will represent ``optimization=''`` (a ``None`` argument will
+continue to mean the same as for ``optimization``). A
 deprecation warning will be raised when ``debug_override`` is given a
 value other than ``None``, but there are no plans for the complete
 removal of the parameter at this time (but removal will be no later