diff --git a/doc/config-reference/block-storage/drivers/hp-lefthand-driver.xml b/doc/config-reference/block-storage/drivers/hp-lefthand-driver.xml
index 060c206ec6..c1a86eed76 100644
--- a/doc/config-reference/block-storage/drivers/hp-lefthand-driver.xml
+++ b/doc/config-reference/block-storage/drivers/hp-lefthand-driver.xml
@@ -95,6 +95,9 @@
Retype a volume.
+
+ Manage and unmanage a volume.
+
When you use back-end assisted volume
migration, both source and destination clusters must be in