[NO ISSUE] Fix a formatting error on the Search Functions page (#551)

Author: rakhi-prathap

modules/n1ql/pages/n1ql-language-reference/searchfun.adoc

@@ -216,6 +216,9 @@ Order pushdown is possible only if query ORDER BY has only <<search_score>> on t
 Offset and Limit pushdown is possible if the query only has a SEARCH() predicate, using a single search index -- no IntersectScan or OrderIntersectScan.
 Group aggregates and projection are not pushed.
 
+NOTE: If you do not specify the `index` setting in the options, {sqlpp} automatically selects a qualifying FTS index for the query.
+If multiple indexes qualify for the query, {sqlpp} selects the most precise one.
+
 === Examples
 
 include::ROOT:partial$query-context.adoc[tag=section]