fix typo in screenshot link
fix typo in screenshot link

biletskyy/flatwhite-syntax,biletskyy/flatwhite-syntax,biletskyy/flatwhite-syntax,biletskyy/flatwhite-syntax,biletskyy/flatwhite-syntax,biletskyy/flatwhite-syntax,biletskyy/flatwhite-syntax,biletskyy/flatwhite-syntax,biletskyy/flatwhite-syntax,biletskyy/flatwhite-syntax