up the time limit

src/commands/markov.ts

@@ -108,7 +108,7 @@ module.exports = {
             try {
               const collected = await msg.channel.awaitMessages({
                 max: 1,
-                time: 15000,
+                time: 30000,
                 errors: ['time']
               });
               const message = collected.first() as Message;