more changes, update two screenshots

Author: ekpgh

articles/hpc-cache/hpc-cache-edit-storage.md

@@ -71,7 +71,7 @@ Use the **Namespace** page for your Azure HPC Cache. The namespace page is descr
 
 Click the name of the path that you want to change, and create the new path in the edit window that appears.
 
-![Screenshot of the namespace page after clicking on a Blob namespace path - the edit fields appear on a pane to the right](media/edit-namespace-blob.png)
+![Screenshot of the namespace page after clicking on a Blob namespace path - the edit fields appear on a pane to the right](media/update-namespace-blob.png)
 
 After making changes, click **OK** to update the storage target, or click **Cancel** to discard changes.