Add the poster's instance

Warning²Federal courts, Illinois courts22nd edition only

On a federated platform the instance is named — in the full handle, or in a parenthetical after the platform — because the same handle exists on many servers.¹

1. 1R. 18.10.1(e) Federated social media.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.