fix: clarified rprivate by adding spell out recursive private 21688

Signed-off-by: Rashi Chaubal <[email protected]>

content/manuals/engine/storage/volumes.md

@@ -56,7 +56,7 @@ If your container generates non-persistent state data, consider using a
 increase the container's performance by avoiding writing into the container's
 writable layer.
 
-Volumes use `rprivate (recursive private)` bind propagation, and bind propagation isn't
+Volumes use `private` (recursive private) bind propagation, and bind propagation isn't
 configurable for volumes.
 
 ## A volume's lifecycle