diff --git a/man/vgsplit.8_des b/man/vgsplit.8_des
index 29eb5c5cb..d42ff1628 100644
--- a/man/vgsplit.8_des
+++ b/man/vgsplit.8_des
@@ -1,6 +1,7 @@
-vgsplit moves one or more PVs from a source VG to a destination VG. The
-PVs can be specified explicitly or implicitly by naming an LV, in which
-case on PVs underlying the LV are moved.
+vgsplit moves one or more PVs from a source VG (the first VG arg) to a
+destination VG (the second VG arg).  The PV(s) to move are named after the
+source and destination VGs, or an LV is named, in which case the PVs
+underlying the LV are moved.
 
 If the destination VG does not exist, a new VG is created (command options
 can be used to specify properties of the new VG, also see