gh-110746: Improve markup in ``tkinter.ttk.rst`` (#111236)

* gh-110746: Improve markup in tkinter.ttk.rst

* gh-110746: Improve markup in tkinter.ttk.rst

* 📜🤖 Added by blurb_it.

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Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Ezio Melotti <ezio.melotti@gmail.com>
2 files changed