diff --git a/doc/source/configuration/block-storage/drivers/hpe-3par-driver.rst b/doc/source/configuration/block-storage/drivers/hpe-3par-driver.rst
index 8713cbfc8bd..bd5a2502dc0 100644
--- a/doc/source/configuration/block-storage/drivers/hpe-3par-driver.rst
+++ b/doc/source/configuration/block-storage/drivers/hpe-3par-driver.rst
@@ -109,6 +109,8 @@ Supported operations
 
 * Report Backend State in Service List.
 
+* Attach a volume to multiple servers simultaneously (multiattach).
+
 * Peer Persistence.
 
 Volume type support for both HPE 3PAR drivers includes the ability to set the