diff --git a/tmux.1 b/tmux.1
index 6835ef1f..d93185cd 100644
--- a/tmux.1
+++ b/tmux.1
@@ -1,4 +1,4 @@
-.\" $Id: tmux.1,v 1.271 2010-12-06 21:51:02 nicm Exp $
+.\" $Id: tmux.1,v 1.272 2010-12-06 21:55:42 nicm Exp $
 .\"
 .\" Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
 .\"
@@ -14,7 +14,7 @@
 .\" IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 .\" OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: November 11 2010 $
+.Dd $Mdocdate: November 14 2010 $
 .Dt TMUX 1
 .Os
 .Sh NAME
@@ -2022,7 +2022,8 @@ was given to the
 .Ic set-environment
 command).
 The default is
-"DISPLAY WINDOWID SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID SSH_CONNECTION".
+"DISPLAY SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID SSH_CONNECTION WINDOWID
+XAUTHORITY".
 .It Xo Ic visual-activity
 .Op Ic on | off
 .Xc