[3.11] gh-101100: Fix sphinx warnings in `tutorial/appendix.rst` (GH-108750)#108757

hugovk merged 1 commit intopython:3.11python/cpython:3.11from

miss-islington:backport-3047f09-3.11miss-islington/cpython:backport-3047f09-3.11Copy head branch name to clipboard