Editorial fix (#4118)

Author: mattwojo

landing/arm-docs/overview.md

@@ -78,7 +78,7 @@ Developers need Arm devices upon which to build and test Arm-native Windows apps
         - **Visual Studio Code** natively supports Arm and [can be installed on Arm devices](https://code.visualstudio.com/#alt-downloads). The [VS Code C++ extension](https://marketplace.visualstudio.com/items?itemName=ms-vscode.cpptools) also offers C++ IntelliSense and build support for developing Windows apps that run natively on Arm64 devices.
         - [**.NET 6** already supports Arm](/dotnet/core/whats-new/dotnet-6#arm64-support), both for native Arm execution and x64 emulation. To develop .NET apps that run natively on Arm64 devices, we recommend installing the new Arm native Visual Studio 2022 17.4, and [.NET 7](https://dotnet.microsoft.com/download/dotnet/7.0) Arm64 SDK. Learn more about .NET 7 support for Arm and the performance improvements for Arm64 on the [.NET Blog](https://devblogs.microsoft.com/dotnet/arm64-performance-improvements-in-dotnet-7/).
         - **.NET 6 Arm64 SDK:** By default, if you `dotnet run` a .NET 6 app with the Arm64 SDK, it will run as Arm64. The `dotnet-runtimeinfo` tool can be used to discover the environment that .NET is running on. See the [.NET 6 blog announcement on Arm64 support](https://devblogs.microsoft.com/dotnet/announcing-net-6/#windows-arm64) to learn more.
-        - **[Test Base for Microsoft 365](https://www.microsoft.com/en-us/testbase)** added support for Arm64, it’s easier for you to ensure your applications will work across a broader range of devices and releases by execute test run against all Windows OSes. See [Announcing Windows 11 Arm Private Preview for Test Base - Microsoft Community Hub](https://techcommunity.microsoft.com/t5/windows-it-pro-blog/announcing-windows-11-arm-private-preview-for-test-base/ba-p/3876380), and [sign up for the Arm private preview](https://forms.office.com/pages/responsepage.aspx?id=v4j5cvGGr0GRqy180BHbR8h5ixgVgMhNopWzBv8BM05UQ1lFTEVBU044SU45T1I4NURYQlBEVjdDUiQlQCN0PWcu). 
+        - **[Test Base for Microsoft 365](https://www.microsoft.com/en-us/testbase)** has added support for Arm64! Expanding Test Base to include Arm64 will help you ensure that your applications will work across a broader range of devices and releases by executing tests run against all Windows operating systems. See [Announcing Windows 11 Arm Private Preview for Test Base - Microsoft Community Hub](https://techcommunity.microsoft.com/t5/windows-it-pro-blog/announcing-windows-11-arm-private-preview-for-test-base/ba-p/3876380), and [sign up for the Arm private preview](https://forms.office.com/pages/responsepage.aspx?id=v4j5cvGGr0GRqy180BHbR8h5ixgVgMhNopWzBv8BM05UQ1lFTEVBU044SU45T1I4NURYQlBEVjdDUiQlQCN0PWcu). 
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