Update composite-aggregation.asciidoc
Fixed asciidoc typo
@@ -224,7 +224,8 @@ Time values can also be specified via abbreviations supported by <<time-units,ti
Note that fractional time values are not supported, but you can address this by shifting to another
time unit (e.g., `1.5h` could instead be specified as `90m`).
-====== Time Zone
+[float]
+===== Time Zone
Date-times are stored in Elasticsearch in UTC. By default, all bucketing and
rounding is also done in UTC. The `time_zone` parameter can be used to indicate
