Fix link title (metapackages instead of metadata)

Author: lmcarreiro

docs/msbuild/what-s-new-in-msbuild-15-0.md

@@ -34,7 +34,7 @@ MSBuild is now available as part of the [.NET Core SDK](https://www.microsoft.co
 - The `SDK35ToolsPath` and `SDK40ToolsPath` properties point to the .NET Framework SDK that's packaged with this version of Visual Studio (for example, 10.0A for the 4.X tools).
 
 ## Updates
-- [Project element](../msbuild/project-element-msbuild.md) has a new `SDK` attribute. Also the `Xmlns` attribute is now optional. For more information on the `SDK` attribute, see [How to: Use MSBuild project SDKs](../msbuild/how-to-use-project-sdk.md), [Packages, metadata, and frameworks](/dotnet/core/packages) and [Additions to the csproj format for .NET Core](/dotnet/core/tools/csproj).
+- [Project element](../msbuild/project-element-msbuild.md) has a new `SDK` attribute. Also the `Xmlns` attribute is now optional. For more information on the `SDK` attribute, see [How to: Use MSBuild project SDKs](../msbuild/how-to-use-project-sdk.md), [Packages, metapackages, and frameworks](/dotnet/core/packages) and [Additions to the csproj format for .NET Core](/dotnet/core/tools/csproj).
 - [Item element](../msbuild/item-element-msbuild.md) outside targets has a new `Update` attribute. Also, the restriction on the `Remove` attribute has been eliminated.
 - *Directory.Build.props* is a user-defined file that provides customizations to projects under a directory. This file is automatically imported from *Microsoft.Common.props* unless the property `ImportDirectoryBuildTargets` is set to **false**. *Directory.Build.targets* is imported by *Microsoft.Common.targets*.
 - Any metadata with a name that doesn't conflict with the current list of attributes can optionally be expressed as an attribute. For more information, see [Item element](../msbuild/item-element-msbuild.md).