Update 6.0.0-preview.3.md

Author: rbhanda

release-notes/6.0/preview/6.0.0-preview.3.md

@@ -4,7 +4,7 @@ The .NET 6.0.0 Preview 3 and .NET SDK 6.0.100-preview.3.21202.5 releases are ava
 
 ## What's new in .NET 6 Preview 3
 
-.NET 6 is the next major release of .NET following .NET 5.0. You can see some of the new features available with .NET 6 Preview 3 at [dotnet/core #XXXX](https://github.com/dotnet/core/issues/XXXX).
+.NET 6 is the next major release of .NET following .NET 5.0. You can see some of the new features available with .NET 6 Preview 3 at [dotnet/core #6141](https://github.com/dotnet/core/issues/6141).
 
 See the [.NET][dotnet-blog] and [ASP.NET Core][aspnet-blog] blogs for additional details.
 Here is list of some of the additions and updates we're excited to bring in Preview 3.