Write section of 'Command data' register should describe what happens
when it's written into. Correct description in case the last stored
'Command field' value equals to 0, to reflect that currently it's not

Signed-off-by: Igor Mammedov <imamm...@redhat.com>
 docs/specs/acpi_cpu_hotplug.txt | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/docs/specs/acpi_cpu_hotplug.txt b/docs/specs/acpi_cpu_hotplug.txt
index 19c508f..f3c552d 100644
--- a/docs/specs/acpi_cpu_hotplug.txt
+++ b/docs/specs/acpi_cpu_hotplug.txt
@@ -90,8 +90,7 @@ write access:
             other values: reserved
     [0x6-0x7] reserved
     [0x8] Command data: (DWORD access)
-          current 'Command field' value:
-              0: OSPM reads value of CPU selector
+          if last stored 'Command field' value:
               1: stores value into OST event register
               2: stores value into OST status register, triggers
                  ACPI_DEVICE_OST QMP event from QEMU to external applications

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