diff --git a/src/client/empire.6 b/src/client/empire.6
index 279bd500..ed5519f8 100644
--- a/src/client/empire.6
+++ b/src/client/empire.6
@@ -1,5 +1,4 @@
 .TH EMP_CLIENT 6
-.UC
 .SH NAME
 empire \- Empire client
 .SH SYNOPSIS
@@ -8,6 +7,9 @@ empire \- Empire client
 .BI \-k
 ]
 [
+.BI \-u
+]
+[
 .BI \-2 " outfile"
 ]
 [
@@ -38,6 +40,12 @@ the password for your country in the game
 .BI \-k
 if someone else is connected to your country, kill their connection
 .TP
+.BI \-u
+use UTF-8 rather than ASCII character set
+.IP
+This requires server version 4.2.21 or later, and a terminal that
+understands UTF-8.
+.TP
 .BI \-2 " outfile"
 redirect output to 
 .I outfile