[Docs] Fix section title in profile.asciidoc
@@ -216,7 +216,7 @@ a `query` array and a `collector` array. Alongside the `search` object is an `a
There will also be a `rewrite` metric showing the total time spent rewriting the query (in nanoseconds).
-==== Human readable output
+=== Human readable output
As with other statistics apis, the Profile API supports human readable outputs for the time values. This can be turned on by adding
`?human=true` to the query string. In this case, in addition to the `"time_in_nanos"` field, the output contains the additional `"time"`
