pythongh-101100: Fix sphinx warnings in whatsnew/3.11.rst (pythonGH-136402)

LamentXU123 · miss-islington · commit 7a239e55924c · 2025-07-08T06:40:31.000Z
(cherry picked from commit 5b78c85) Co-authored-by: Weilin Du <108666168+LamentXU123@users.noreply.github.com>
diff --git a/Doc/tools/.nitignore b/Doc/tools/.nitignore
@@ -74,4 +74,3 @@ Doc/whatsnew/3.6.rst
 Doc/whatsnew/3.7.rst
 Doc/whatsnew/3.8.rst
 Doc/whatsnew/3.10.rst
-Doc/whatsnew/3.11.rst
diff --git a/Doc/whatsnew/3.11.rst b/Doc/whatsnew/3.11.rst
@@ -1292,7 +1292,7 @@ This section covers specific optimizations independent of the
   (Contributed by Stefan Behnel in :gh:`68264`.)
 
 * Resizing lists is streamlined for the common case,
-  speeding up :meth:`list.append` by ≈15%
+  speeding up :meth:`!list.append` by ≈15%
   and simple :term:`list comprehension`\s by up to 20-30%
   (Contributed by Dennis Sweeney in :gh:`91165`.)
 
