Fix spelling issue/incorrect key in events documentation for whois.actualhost

Author: PolarizedIons

docs/events.md

@@ -438,7 +438,7 @@ Not all of these options will be available. Some will be missing depending on th
 	user: 'prawn',
 	host: 'manchester.isp.net',
 	actualip: 'sometimes set when using webirc, could be the same as actualhost',
-	actuallhost: 'sometimes set when using webirc',
+	actualhost: 'sometimes set when using webirc',
 	real_name: 'A real prawn',
 	helpop: 'is available for help',
 	bot: 'is a bot',