diff --git a/mozilla/extensions/irc/locales/en-US/chrome/chatzilla.properties b/mozilla/extensions/irc/locales/en-US/chrome/chatzilla.properties
index aff1c4ac266..c22109632d6 100644
--- a/mozilla/extensions/irc/locales/en-US/chrome/chatzilla.properties
+++ b/mozilla/extensions/irc/locales/en-US/chrome/chatzilla.properties
@@ -897,6 +897,11 @@ msg.not.connected     = "%S: Not connected.
 msg.insecure.server   = Your connection to the server ``%S'' is not secure.
 msg.secure.connection = Signed by %S"
 msg.security.info     = Displays security information about the current connection
+msg.going.offline     = &brandShortName; is trying to go into offline mode. This will disconnect you from ALL the networks and channels you're connected to.
+msg.really.go.offline = Go Offline
+msg.dont.go.offline   = Don't Go Offline
+msg.offlinestate.offline = You are offline. Click the icon to go online.
+msg.offlinestate.online  = You are online. Click the icon to go offline.
 msg.member            = Member
 msg.operator          = Operator member
 msg.voiced            = Voiced member
@@ -1176,6 +1181,8 @@ msg.who.match      = User %S, (%S@%S) ``%S'' (%S), member of %S, is connected to
 
 msg.connection.attempt = Connecting to %S (%S)...
 msg.connection.refused = Connection to %S (%S) refused.
+msg.connection.abort.offline = The connection to %S (%S) was aborted because you went into offline mode.
+msg.connection.abort.unknown = The connection to %S (%S) was aborted with error %S.
 msg.connection.timeout = Connection to %S (%S) timed out.
 msg.unknown.host       = Unknown host ``%S'' connecting to %S (%S).
 msg.connection.closed  = Connection to %S (%S) closed.