Fix bot

bot.go

@@ -30,7 +30,7 @@ var (
 
 func main() {
 	token := os.Getenv("MENSABOT_TOKEN")
-	if len(token) == 0 {
+	if len(token) == 0 || token == "token" {
 		println("Please add token as environment variable: MENSABOT_TOKEN.")
 		return
 	}