Update query-assist.md

Author: JV0812

docs/search/query-assist.md

@@ -33,8 +33,7 @@ Get real-time suggestions for query completion as you type, with token-by-token
 <img src={useBaseUrl('img/search/get-started-search/token-by-token-prediction-and-autocomplete.png')} style={{border: '1px solid gray'}} alt="token-by-token-prediction-and-autocomplete" width="400"/>
 
 * **Operator suggestions**. When typing the first letters of an operator, the system displays all matching operators related to those letters, helping you quickly find and select the appropriate one. For example, typing `co` might suggest `count`, `count_distinct`, `count_frequent`, `compare`, `compose`, or other related operators.
-* **Value suggestions**. When you start typing a source expression (e.g. `_sourceCategory=`), you will be provided with relevant built-in metadata field options to help autocomplete your query.
-* **Metadata Key-Value suggestions**. When you start typing a source expression (for example, `_sourceCategory=`), you will be provided with relevant metadata field options to help autocomplete your query. This not only displays the built-in metadata fields but also the custom fields configured in your system. 
+* **Metadata Key-Value suggestions**. When you start typing a source expression (for example, `_sourceCategory=`), you will be provided with relevant metadata keys options to help autocomplete your query. And once you select a particular key, it displays the available values for the selected metadata. This not only displays the built-in metadata fields but also discover the custom fields configured in your system.
 * **Clause Suggestions**. When you start typing the operators, you will be provided with the entire clause to complete the remaining portion of the clause. This clause suggestions are currently restricted to the `where`, `count`, `min`, `max`, `count_distinct`, `avg`, `first`, `last`, `stddev`, `sum`, `if`, `sort`, `limit`, `timeslice`, and `fields` operators.
 
 For example, as you start typing, the system provides relevant metadata options and autocompletes your query. Simply press the `Tab` key to accept a suggestion.