[DOCS] Fixes typo in calendar API example (#78867)

docs/reference/ml/anomaly-detection/apis/get-calendar-event.asciidoc

@@ -159,6 +159,6 @@ period of time:
 
 [source,console]
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-GET _ml/*/planned-outages/events?start=1635638400000&end=1635724800000
+GET _ml/calendars/planned-outages/events?start=1635638400000&end=1635724800000
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 // TEST[skip:setup:calendar_outages_addevent]