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diff --git a/share/man/man9/bus_generic_detach.9 b/share/man/man9/bus_generic_detach.9
--- a/share/man/man9/bus_generic_detach.9
+++ b/share/man/man9/bus_generic_detach.9
@@ -44,13 +44,23 @@
.Xr DEVICE_DETACH 9
method
which can be used by most bus code.
-It simply calls the
-.Xr DEVICE_DETACH 9
-method of each child device attached to the bus.
+It uses
+.Xr bus_detach_children 9
+to detach drivers from all child devices giving them a chance to veto the
+detach request.
+If
+.Fn bus_detach_children
+succeeds,
+.Fn bus_generic_detach
+calls
+.Xr device_delete_children 9
+to delete all child devices.
.Sh RETURN VALUES
Zero is returned on success, otherwise an appropriate error is returned.
.Sh SEE ALSO
+.Xr bus_detach_children 9 ,
.Xr device 9 ,
+.Xr device_delete_children 9 ,
.Xr driver 9
.Sh AUTHORS
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