Add parentheses around the “last visited” date

Warning²Federal courts, Illinois courts21st and 22nd editions

The date a web source was last visited is given in a parenthetical after the address, not as bare text trailing it or inside the brackets an archive link uses.¹

1. 1R. 18.2.2(c) Date and time.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.