diff --git a/tools/command-lines.in b/tools/command-lines.in
index ec61d3b7d..4bbafd05d 100644
--- a/tools/command-lines.in
+++ b/tools/command-lines.in
@@ -1766,7 +1766,8 @@ IO: --ignoreskippedcluster
 ID: vgchange_refresh
 DESC: Reactivate LVs using the latest metadata.
 
-vgchange --systemid String VG
+vgchange --systemid String VG|Tag|Select
+OO: --select String
 ID: vgchange_systemid
 DESC: Change the system ID of a VG.