Update msbuild.md

Author: ghogen

docs/msbuild/msbuild.md

@@ -23,6 +23,8 @@ To install MSBuild on a Windows system that doesn't have Visual Studio, go to **
 
 For .NET Core and .NET 5 or later, another way of getting the equivalent to MSBuild is to install the [.NET SDK](/dotnet/core/sdk#acquiring-the-net-sdk). The .NET build command `dotnet build` is available with the .NET SDK on macOS, Windows, or Linux. The .NET build command `dotnet build` is a thin wrapper over the .NET Core version of *MSBuild.exe*. You can use the [.NET Core command-line interface (CLI)](/dotnet/core/tools/), which uses MSBuild, to build projects that target .NET Core and .NET 5 and later. 
 
+## About MSBuild
+
 ::: moniker range=">=vs-2022"
 Starting with Visual Studio 2022, when you build in Visual Studio, the 64-bit version of MSBuild is used.
 ::: moniker-end