Leftovers from removing 88 colour support, from Theo Buehler.

tmux.1

@@ -23,7 +23,7 @@
 .Sh SYNOPSIS
 .Nm tmux
 .Bk -words
-.Op Fl 28lCquv
+.Op Fl 2lCquv
 .Op Fl c Ar shell-command
 .Op Fl f Ar file
 .Op Fl L Ar socket-name
@@ -2637,9 +2637,9 @@ The terminal entry value is passed through
 before interpretation.
 The default value forcibly corrects the
 .Ql colors
-entry for terminals which support 88 or 256 colours:
+entry for terminals which support 256 colours:
 .Bd -literal -offset indent
-"*88col*:colors=88,*256col*:colors=256,xterm*:XT"
+"*256col*:colors=256,xterm*:XT"
 .Ed
 .It Ic update-environment Ar variables
 Set a space-separated string containing a list of environment variables to be

tmux.c

@@ -57,7 +57,7 @@ __dead void
 usage(void)
 {
 	fprintf(stderr,
-	    "usage: %s [-28lquv] [-c shell-command] [-f file] [-L socket-name]\n"
+	    "usage: %s [-2lquv] [-c shell-command] [-f file] [-L socket-name]\n"
 	    "            [-S socket-path] [command [flags]]\n",
 	    __progname);
 	exit(1);