Change wording for rollover and index (#3080)

* change wording for rollover and index

Signed-off-by: ariamarble <armarble@amazon.com>

* Apply suggestions from doc review

Co-authored-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>

* Update _dashboards/im-dashboards/rollover.md

* small sentence update

Signed-off-by: ariamarble <armarble@amazon.com>

---------

Signed-off-by: ariamarble <armarble@amazon.com>
Co-authored-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>

_dashboards/im-dashboards/datastream.md

@@ -41,9 +41,9 @@ To create a data stream, perform the following steps:
 
     ![Data Streams]({{site.url}}{{site.baseurl}}/images/admin-ui-index/datastreams3.png)
 
-1. The **Template details** and **Index alias** sections are read-only. This will inform you of the backing indexes used in the data stream.
+1. The **Inherited settings from template** and **Index alias** sections are read-only, and display the backing indexes that are contained in the data stream.
 
-1. Optionally, under **Advanced settings** you can specify the number of primary shards, number of replicas, and the refresh interval, as shown in the following image.
+1. The number of primary shards, number of replicas, and the refresh interval are inherited from the template, as shown in the following image.
 
     ![Data Streams]({{site.url}}{{site.baseurl}}/images/admin-ui-index/datastreams4.png)
 
@@ -55,7 +55,7 @@ To delete a data stream, perform the following steps:
 
 1. Under **Index Management**, choose **Data streams**.
 
-1. Select the data stream you would like to delete.
+1. Select the data stream that you want to delete.
 
 1. Choose **Actions**, and then choose **Delete**.
 
@@ -65,13 +65,13 @@ To perform a rollover operation on a data stream, perform the following steps:
 
 1. Under **Index Management**, choose **Data streams**.
 
-1. Choose **Actions**, and then choose **Rollover**, as shown in the following image.
+1. Choose **Actions**, and then choose **Roll over**, as shown in the following image.
 
     ![Rollover]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover1.png)
 
 1. Under **Configure source**, select the source data stream on which you want to perform the rollover operation.
 
-1. Choose **Rollover**, as shown in the following image.
+1. Choose **Roll over**, as shown in the following image.
 
     ![Rollover]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover3.png)
 

_dashboards/im-dashboards/rollover.md

@@ -19,15 +19,15 @@ To perform a rollover operation on a data stream, perform the following steps:
 
 1. Under **Index Management**, choose **Data streams**.
 
-1. Choose **Actions**, and then choose **Rollover**, as shown in the following image.
+1. Choose **Actions**, and then choose **Roll over**, as shown in the following image.
 
-    ![Rollover]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover1.png)
+    ![Roll over]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover1.png)
 
 1. Under **Configure source**, select the source data stream on which you want to perform the rollover operation.
 
-1. Choose **Rollover**, as shown in the following image.
+1. Choose **Roll over**, as shown in the following image.
 
-    ![Rollover]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover3.png)
+    ![Roll over]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover3.png)
 
 ## Aliases
 
@@ -35,20 +35,20 @@ To perform a rollover operation on an alias, perform the following steps:
 
 1. Under **Index Management**, choose **Aliases**.
 
-1. Choose **Actions**, and then choose **Rollover**, as shown in the following image.
+1. Choose **Actions**, and then choose **Roll over**, as shown in the following image.
 
-    ![Rollover]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover2.png)
+    ![Roll over]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover2.png)
 
 1. Under **Configure source**, select the source alias on which you want to perform the rollover operation.
 
-1. If the alias does not contain a write index, you will be prompted to assign a write index, as shown in the following image. 
+1. If the alias does not contain a write index, you are prompted to assign a write index, as shown in the following image. 
 
-    ![Rollover]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover4.png)
+    ![Roll over]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover4.png)
 
 1. Under **Configure a new rollover index** and on the **Define index** pane, specify an index name and an optional index alias.
 
 1. Under **Index settings**, specify the number of primary shards, the number of replicas, and the refresh interval, as shown in the following image.
 
-    ![Rollover]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover5.png)
+    ![Roll over]({{site.url}}{{site.baseurl}}/images/admin-ui-index/rollover5.png)
 
-1. Choose **Rollover**.
+1. Choose **Roll over**.