internal: Fix docstrings.
internal: Fix docstrings.

zsh-users/zsh-syntax-highlighting,joshuarubin/dotfiles,m0vie/zsh-syntax-highlighting,danielshahaf/zsh-syntax-highlighting,phy1729/zsh-syntax-highlighting,psprint/zsh-syntax-highlighting,joshuarubin/dotfiles,m0vie/zsh-syntax-highlighting,danielshahaf/zsh-syntax-highlighting-debian,x-way/zsh-syntax-highlighting,danielshahaf/zsh-syntax-highlighting-debian,stuha/wbr-zsh,x-way/zsh-syntax-highlighting,joshuarubin/dotfiles,phy1729/zsh-syntax-highlighting,joshuarubin/dotfiles,zsh-users/zsh-syntax-highlighting,psprint/zsh-syntax-highlighting,P71/zsh-syntax-highlighting,P71/zsh-syntax-highlighting,danielshahaf/zsh-syntax-highlighting