From: Peter Maydell <peter.mayd...@linaro.org>

The RTC_CHANGE event's documentation is missing some details:
 * the offset argument is in units of seconds
 * it isn't guaranteed that the RTC will implement the event
Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
Message-Id: <20220221192123.749970-3-peter.mayd...@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Reviewed-by: Markus Armbruster <arm...@redhat.com>
Signed-off-by: Markus Armbruster <arm...@redhat.com>
---
 qapi/misc.json | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/qapi/misc.json b/qapi/misc.json
index 7a70eaa3ff..0ab235e41f 100644
--- a/qapi/misc.json
+++ b/qapi/misc.json
@@ -533,10 +533,12 @@
 #
 # Emitted when the guest changes the RTC time.
 #
-# @offset: offset between base RTC clock (as specified by -rtc base), and
-#          new RTC clock value
+# @offset: offset in seconds between base RTC clock (as specified
+#          by -rtc base), and new RTC clock value
 #
 # Note: This event is rate-limited.
+#       It is not guaranteed that the RTC in the system implements
+#       this event, or even that the system has an RTC at all.
 #
 # Since: 0.13
 #
-- 
2.35.1


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