#define RPL_NOTOPIC_MSG "331 %s %s :No topic is set"
#define RPL_TOPIC_MSG "332 %s %s :%s"
#define RPL_TOPICSETBY_MSG "333 %s %s %s %u"
-#define RPL_WHOISBOT_MSG "335 %s %s :is a IRC Bot"
+#define RPL_WHOISBOT_MSG "335 %s %s :is an IRC Bot"
#define RPL_INVITING_MSG "341 %s %s %s%s"
#define RPL_INVITELIST_MSG "346 %s %s %s"
#define RPL_ENDOFINVITELIST_MSG "347 %s %s :End of channel invite list"
#define ERR_UMODEUNKNOWNFLAG_MSG "501 %s :Unknown mode"
#define ERR_UMODEUNKNOWNFLAG2_MSG "501 %s :Unknown mode \"%c%c\""
#define ERR_USERSDONTMATCH_MSG "502 %s :Can't set/get mode for other users"
+#define ERR_USERNOTONSERV_MSG "504 %s %s :User is not on this server"
#define ERR_NOINVITE_MSG "518 %s :Cannot invite to %s (+V)"
#ifdef ZLIB