fix typo

Author: notunderctrl

apps/website/docs/guide/03-events/02-custom-events.mdx

@@ -35,5 +35,5 @@ commandkit.events.to('custom').emit('guildMemberBoost', {
 ```
 
 This will ensure every file inside the
-`src/app/events/(custom)/guildMemberBoost` directory is executed jue
+`src/app/events/(custom)/guildMemberBoost` directory is executed just
 like regular [Discord.js events](./01-discordjs-events.mdx)