commands/prefix.js

@@ -6,5 +6,6 @@ exports.run = (client, message, args) => {
     config.prefix = newPrefix;
     // Now we have to save the file.
     fs.writeFile("./config.json", JSON.stringify(config), (err) => console.error);
-  }
+  } else
+  message.channel.send("Sick you thought!");
 }