[DOCS] Clarified use of historical events (elastic/x-pack-elasticsearch#3737)

Original commit: elastic/x-pack-elasticsearch@371ca281e9
2018-01-26 06:56:36 -08:00 · 2018-01-26 06:56:36 -08:00 · 7bec4af206
parent 620fe16ec4
commit 7bec4af206
1 changed files with 2 additions and 0 deletions
--- a/docs/en/ml/calendars.asciidoc
+++ b/docs/en/ml/calendars.asciidoc
@ -26,6 +26,8 @@ iCalendar (`.ics`) file in {kib} or a JSON file in the
 [NOTE]
 --

+* You must identify scheduled events before your job analyzes the data for that
+time period. Machine learning results are not updated retroactively.
 * If your iCalendar file contains recurring events, only the first occurrence is
 imported.
 * Bucket results are generated during scheduled events but they have an