fix usage termi

src/commands/addredirect.ts

@@ -6,7 +6,7 @@ export default class AddRedirect extends Command {
     super(client);
     this.name = 'addredirect';
     this.description = 'Adds a redirect link for \'loc.sh\'';
-    this.usage = 'addredirect <redirect to url> <key>';
+    this.usage = `${this.client.config.prefix}addredirect <redirect to url> <key>`;
     this.aliases = ['ar'];
     this.permissions = 6;
     this.enabled = true;