Update Readme.md (#39487)
Update Readme.md (#39487)

Fix type in /src/analyzers/readme.md
#39481
aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore