Fix underline for 'pty' in What's New in Python 3.14 (#122337)

diff --git a/Doc/whatsnew/3.14.rst b/Doc/whatsnew/3.14.rst
index d2ba7ada76733acba981ce48efbb3b9380b53e56..cc03088592d9d43d43c53208a40c783f03d6499e 100644 (file)
--- a/Doc/whatsnew/3.14.rst
+++ b/Doc/whatsnew/3.14.rst
@@ -309,7 +309,7 @@ pathlib
   arguments are joined onto *other*.
 
 pty
-___
+---
 
 * Remove deprecated :func:`!pty.master_open` and :func:`!pty.slave_open`.
   They had previously raised a :exc:`DeprecationWarning` since Python 3.12.