diff --git a/converters/img2sixel.1 b/converters/img2sixel.1
index a3de691d..73253609 100644
--- a/converters/img2sixel.1
+++ b/converters/img2sixel.1
@@ -175,6 +175,12 @@ auto   -> honer the setting of GIF header (default)
 force   -> always enable loop
 .br
 disable -> always disable loop
+.TP 5
+.B \-V, \-\-version
+show version and license info.
+.TP 5
+.B \-H, \-\-help
+print help.
 
 .SH "SEE ALSO"
 sixel(5) sixel2png(1)