'main': Update comments after last commit.  No functional change.
'main': Update comments after last commit.  No functional change.

x-way/zsh-syntax-highlighting,phy1729/zsh-syntax-highlighting,P71/zsh-syntax-highlighting,phy1729/zsh-syntax-highlighting,zsh-users/zsh-syntax-highlighting,P71/zsh-syntax-highlighting,x-way/zsh-syntax-highlighting,zsh-users/zsh-syntax-highlighting