RuntimeInformation.FrameworkDescription has changed behavior in .NET 6? #61394

Description

I've notice that this API has changed behavior in .NET 6 and I'm not sure if it's by design.

In .NET 6, the value returned is .NET 6.0.0-rtm.21522.10. In .NET 5, the value returned is .NET 5.0.12.

You can see this behavior on the .NET site footer: https://dotnet.microsoft.com/
I can send internally the repro with the .NET 5 behavior.

Reproduction Steps

This is the code that we have for that:
new HtmlString(
footerHtml.Replace(
">Powered by ASP.NET Core",
$">Powered by {RuntimeInformation.FrameworkDescription}"));

Expected behavior

Return a friendlier version description

Actual behavior

Returns some strings like -rtm, etc. that I don't know where they're coming from. I expected that it would return .NET 6.0.0

Regression?

No response

Known Workarounds

No response

Configuration

No response

Other information

No response