fix a typo and clarify the intro

docs/install/create-an-offline-installation-of-visual-studio.md

@@ -21,7 +21,10 @@ ms.workload:
 
 We designed Visual Studio 2017 to work well in a variety of network and computer configurations. While we recommend that you try the [Visual Studio web installer](https://visualstudio.microsoft.com/downloads/?utm_medium=microsoft&utm_source=docs.microsoft.com&utm_campaign=button+cta&utm_content=download+vs2017)—which is a small file and allows you to stay current with all the latest fixes and features—we understand that you might not be able to.
 
-For example, you might have a slow internet connection, an ureliable one, or one that has low bandwidth. If so, you have a few options: You can use the new **Download all, then install** feature to download the files, or you can create a local cache of the files.
+For example, you might have an unreliable internet connection or one that has low bandwidth. If so, you have a few options: You can use the new **Download all, then install** feature to download the files before you install, or you can create a local cache of the files.
+
+> [!NOTE]
+> If you are an enterprise administrator who wants to perform a deployment of Visual Studio 2017 to a network of client workstations that are firewalled from the internet, see our [Create a network installation of Visual Studio 2017](../install/create-a-network-installation-of-visual-studio.md) and [Install certificates required for Visual Studio offline installation](../install/install-certificates-for-visual-studio-offline.md) pages.
 
 ## Option 1: Use the "Download all, then install" feature
 
@@ -34,9 +37,6 @@ For example, you might have a slow internet connection, an ureliable one, or one
 
 After you download a small bootstrapper, use the command line to create a local cache. Then, use the local cache to install Visual Studio. (This process replaces the ISO files that were available for previous versions.)
 
-> [!NOTE]
-> If you are an enterprise administrator who wants to perform a deployment of Visual Studio 2017 to a network of client workstations that are firewalled from the internet, see our [Create a network installation of Visual Studio 2017](../install/create-a-network-installation-of-visual-studio.md) and [Install certificates required for Visual Studio offline installation](../install/install-certificates-for-visual-studio-offline.md) pages.
-
 Here's how to create an offline installation by using a local cache.
 
 ### Step 1 - Download the Visual Studio bootstrapper