minor edits fot the modify ds page

Author: yetanothertw

manage-data/data-store/data-streams/modify-data-stream.md

@@ -94,7 +94,7 @@ To add a mapping for a new field to a data stream, following these steps:
 :::{tip}
 :applies_to: {"stack": "ga 9.2, preview 9.1", "serverless": "ga"}
 
-You can also add a new field mapping to a data stream in {{kib}}. Locate the data stream on the **Streams** page, where a stream directly corresponds to a data stream. Select a stream to view its details and go to the **Schema** tab where you can find the **+ Add field** button.
+You can also add a new field mapping to a data stream in {{kib}}. Locate the data stream on the **Streams** page, where a stream directly corresponds to a data stream. Select a stream to view its details and go to the **Schema** tab to add a new field.
 :::
 
 ### Change an existing field mapping in a data stream [change-existing-field-mapping-in-a-data-stream]
@@ -176,7 +176,7 @@ The documentation for each [mapping parameter](elasticsearch://reference/elastic
 :::{tip}
 :applies_to: {"stack": "ga 9.2, preview 9.1", "serverless": "ga"}
 
-You can also update a field's mapping in a data stream in {{kib}}. Locate the data stream on the **Streams** page, where a stream directly corresponds to a data stream. Select a stream to view its details and go to the **Schema** tab. Next, find the field for which you want to update the mapping and select the required field action. For more information, refer to [ADD LINK to /solutions/observability/streams/management/schema.md when it's merged].
+You can also update an existing field's mapping in {{kib}}. Locate the data stream on the **Streams** page, where a stream directly corresponds to a data stream. Select the stream to view its details and go to the **Schema** tab to make your updates. For more information, refer to [ADD LINK to /solutions/observability/streams/management/schema.md when it's merged].
 :::
 
 Except for supported mapping parameters, we don’t recommend you change the mapping or field data type of existing fields, even in a data stream’s matching index template or its backing indices. Changing the mapping of an existing field could invalidate any data that’s already indexed.
@@ -229,6 +229,14 @@ To change the `index.lifecycle.name` setting, first use the [remove policy API](
 ::::
 
 
+:::{tip}
+:applies_to: {"stack": "ga 9.2, preview 9.1", "serverless": "ga"}
+
+You can also update certain dynamic index settings for a data stream in {{kib}}, such as the number of shards, replicas, and the refresh interval used. 
+
+Locate the data stream on the **Streams** page, where a stream directly corresponds to a data stream. Select the stream to view its details and go to the **Advanced** tab to make your adjustments. For more information, refer to [ADD LINK to /solutions/observability/streams/management/advanced.md#index-configuration when it's merged].
+:::
+
 ### Change a static index setting for a data stream [change-static-index-setting-for-a-data-stream]
 
 [Static index settings](elasticsearch://reference/elasticsearch/index-settings/index.md) can only be set when a backing index is created. You cannot update static index settings using the [update index settings API](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-indices-put-settings).