update s3 instructions with bucket permission defaults and object preview

Author: samdengler

DataProcessing/guide/content/data-lake.md

@@ -33,7 +33,7 @@ must be globally unique. We recommend using a name such as
 
     ![](images/data-lake-create-bucket.png)</kbd>
 
-1. Click **Next** twice, and then click **Create bucket**.
+1. Click **Next** three times, and then click **Create bucket**.
 
 #### 2. Create an Amazon Kinesis Data Firehose delivery stream
 
@@ -140,8 +140,13 @@ text editor to see the contents.
 
     ![](images/data-lake-object-list.png)
 
-1. Click on one of the files and click **Download**. Open the file with a text
-   editor and explore its contents.
+1. Click on one of the files.
+
+1. Click the **Select from** tab, select ``JSON`` from **File format**, and click
+   the **Show file preview** to preview the file content.
+
+    ![](images/data-lake-object-preview.png)
+
 
 #### 5. Query the data files
 

DataProcessing/guide/site/data-lake.html

@@ -38,7 +38,7 @@ <h4 id="create-an-amazon-s3-bucket">1. Create an Amazon S3 bucket</h4>
 <li><p>Provide a globally unique name for your bucket such as <code>wildrydes-data-yourname</code>.</p></li>
 <li><p>Select the region you’ve been using for your bucket.</p>
 <p><img src="images/data-lake-create-bucket.png" /></kbd></p></li>
-<li><p>Click <strong>Next</strong> twice, and then click <strong>Create bucket</strong>.</p></li>
+<li><p>Click <strong>Next</strong> three times, and then click <strong>Create bucket</strong>.</p></li>
 </ol>
 <h4 id="create-an-amazon-kinesis-data-firehose-delivery-stream">2. Create an Amazon Kinesis Data Firehose delivery stream</h4>
 <p>Create an Amazon Kinesis Data Firehose delivery stream named <strong>wildrydes</strong> that is configured to source data from the <strong>wildrydes</strong> stream and deliver its contents in batches to the S3 bucket created in the previous section.</p>
@@ -99,7 +99,9 @@ <h4 id="explore-the-batched-data-files">4. Explore the batched data files</h4>
 <li><p>Enter the bucket name you create in the first section in the <strong>Search for buckets</strong> text input.</p></li>
 <li><p>Click on the bucket name and navigate through the year, month, day, and hour folders to ensure that files are being populated in your bucket.</p>
 <p><img src="images/data-lake-object-list.png" /></p></li>
-<li><p>Click on one of the files and click <strong>Download</strong>. Open the file with a text editor and explore its contents.</p></li>
+<li><p>Click on one of the files.</p></li>
+<li><p>Click the <strong>Select from</strong> tab, select <code>JSON</code> from <strong>File format</strong>, and click the <strong>Show file preview</strong> to preview the file content.</p>
+<p><img src="images/data-lake-object-preview.png" /></p></li>
 </ol>
 <h4 id="query-the-data-files">5. Query the data files</h4>
 <p>Query the Amazon Athena table to see all records that have been delivered via Kinesis Data Firehose to S3.</p>