+++ b/qemu-options.hx
@@ -155,8 +155,13 @@ to 4.
For the PC target, the number of @var{cores} per socket, the number
of @var{threads} per cores and the total number of @var{sockets} can be
specified. Missing values will be computed. If any on the three values is
-given, the total number of CPUs @var{n} can be omitted. @var{maxcpus}
-specifies the maximum number of hotpluggable CPUs.
+given, the total number of CPUs @var{n} can be omitted.
+
address@hidden specifies the maximum number of hotpluggable CPUs
+and should be equal to @address@hidden * @var{cores} * @var{threads}}
+(even if @var{sockets}, @var{cores}, or @var{threads} is omitted
+and computed automatically).
+
ETEXI
DEF("numa", HAS_ARG, QEMU_OPTION_numa,