consistent case and style in REPL errors messages
@@ -1233,7 +1233,7 @@ impl ToDiagnostic<FileId> for REPLError {
REPLError::UnknownCommand(s) => vec![Diagnostic::error()
.with_message(format!("unkown command `{}`", s))
.with_notes(vec![String::from(
- "Type :? or :help for a list of available commands.",
+ "type `:?` or `:help` for a list of available commands.",
)])],
REPLError::MissingArg { cmd, msg_opt } => {
let mut notes = msg_opt
