-(** Handles are closed by the garbage collector when they become
- unreferenced, but callers can also call this in order to
- provide predictable cleanup. *)
+(** Close the {!Guestfs.t} handle and free up all resources used
+ by it immediately.
+
+ Handles are closed by the garbage collector when they become
+ unreferenced, but callers can call this in order to provide
+ predictable cleanup. *)