! not ~

bot.js

@@ -534,7 +534,7 @@ client.on('message', message => {
                 // Checks for banned author's using a hard coded list of discord ids.
                 // Also rudely cleans garbage entries.
                 let banned_authors = ['143999140878090240', '517182806359801857'];
-                if (~banned_authors.includes(message.author.id)) {
+                if (!banned_authors.includes(message.author.id)) {
 
                     let messageSplit = message.content.substring(2).split(' ');
                     if (messageSplit.length >= 2) {