diff --git a/man/bongo-config.1 b/man/bongo-config.1
index d2a24e7..8402598 100644
--- a/man/bongo-config.1
+++ b/man/bongo-config.1
@@ -24,6 +24,9 @@ Generate data needed for encryption.
 .TP
 .BR checkversion
 Check whether a newer Bongo is available.
+.TP
+.BR tzcache
+Regenerate cached timezone information.
 .SH "AUTHOR"
 This man page was written by Jonny Lamb <jonnylamb@jonnylamb.com>.
 .SH "SEE ALSO"