[DOCS] Time series indices support non-metric/dimension fields (#99709)

Co-authored-by: James Rodewig <[email protected]>
elastic · Sep 22, 2023 · 76a372e · 76a372e
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commit 76a372e
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diff --git a/docs/reference/data-streams/tsds.asciidoc b/docs/reference/data-streams/tsds.asciidoc
@@ -56,6 +56,8 @@ documents, the document `_id` is a hash of the document's dimensions and
 * A TSDS uses <<synthetic-source,synthetic `_source`>>, and as a result is
 subject to a number of <<synthetic-source-restrictions,restrictions>>.
 
+NOTE: A time series index can contain fields other than dimensions or metrics.
+
 [discrete]
 [[time-series]]
 === What is a time series?