Update index.md (#5624)

* Update index.md

* Update docs/search/get-started-with-search/search-page/field-browser/index.md

* Update docs/search/get-started-with-search/search-page/field-browser/index.md

---------

Co-authored-by: Kim (Sumo Logic) <[email protected]>

Author: JV0812

docs/search/get-started-with-search/search-page/field-browser/index.md

@@ -67,7 +67,8 @@ The Field Browser is limited for aggregate queries in the following ways:
 * Field counts (item G above) are not displayed for aggregate queries. 
 * Field counts—If messages returned are less than or equal to 2500 messages, then an exact calculation is shown. If more than 2500 messages are returned, an approximation is shown.
 * The **Approximate Count** displays the count of the field values for the field. This does not display complete field values count for that field but it's just to calculate average, minimum, maximum, and standard deviation values from the first 100,000 raw messages. The field values will be skipped if the 100,000 raw messages limit is exceeded.
-
+* The system limits the number of fields extracted for display in the field browser. Use the [`fields` Operator](/docs/search/search-query-language/search-operators/fields) to control which exact fields are retrieved.
+  
 ## Guide contents
 
 In this section, we'll introduce the following concepts: