diff --git a/rowbot b/rowbot
index 1a826a1..5193eac 100755
--- a/rowbot
+++ b/rowbot
@@ -77,7 +77,7 @@ is_action() {
 }
 
 is_chan() {
-  [[ ${msg_args[${1:-0}]:0:1} = \# ]]
+  [[ ${msg_args[0]:0:1} = \# ]]
 }
 
 # cryptography secure (almost probably) random number generators
@@ -442,12 +442,11 @@ on_sys_after_002_net() {
 }
 
 on_sys_exit_998_net() {
+  log_info "rowbot is closing the connection to %s" "$(url)"
+
   if [[ ${config[tls]} = no ]]; then
-    log_info "rowbot is closing the connection to irc://%s:%s" "${config[server]}" "${config[port]}"
     exec {irc_sock}>&-
   else
-    log_info "rowbot is closing the connection to ircs://%s:%s" "${config[server]}" "${config[port]}"
-
     if [[ -v tls_pid ]] && is_running "$tls_pid"; then
       kill -STOP "$tls_pid"
     fi
@@ -728,6 +727,10 @@ irc_on_396() {
   log_info "%s %s" "${msg_args[1]}" "${msg_args[-1]}"
 }
 
+irc_on_401() {
+  log_info "%s is unavailable: %s" "${msg_args[1]}" "${msg_args[-1]}"
+}
+
 irc_on_433() {
   log_info "somebody is already using %s" "${msg_args[1]}"
 }
@@ -1014,7 +1017,7 @@ annoyatron900_alternick() {
 on_msg_NICK_alternick() {
   if [[ ${msg[from]} = "${config[nick]}" ]]; then
     desired_nick=
-    log_info "got desired nick!"
+    log_info "got desired nick %s!" "${msg_args[-1]}"
     config[nick]=${msg_args[-1]}
   fi
 }
@@ -1113,7 +1116,7 @@ on_register_mode_getter() {
 }
 
 ###
-# cleanup
+# atexit(3)-style cleanup
 ###
 
 cleanup() {
@@ -1216,7 +1219,7 @@ while net_recv line; do
   if [[ ${msg[cmd]} = @(PRIVMSG|NOTICE) ]]; then
     msg[to]=${msg[from]}
 
-    if [[ ${msg_args[0]:0:1} = \# ]]; then
+    if is_chan; then
       msg[to]=${msg_args[0]}
     fi