Issue #19795: Improved more markups of True/False.
diff --git a/Doc/library/sysconfig.rst b/Doc/library/sysconfig.rst
index 9dd0b1e..e8fc09e 100644
--- a/Doc/library/sysconfig.rst
+++ b/Doc/library/sysconfig.rst
@@ -152,7 +152,7 @@
    If *vars* is provided, it must be a dictionary of variables that will
    update the dictionary used to expand the paths.
 
-   If *expand* is set to False, the paths will not be expanded.
+   If *expand* is set to false, the paths will not be expanded.
 
    If *scheme* is not an existing scheme, :func:`get_paths` will raise a
    :exc:`KeyError`.