just link to the MIT license

Author: lbargaoanu

README.md

@@ -69,7 +69,7 @@ If you're still running into problems, file an issue above.
 This project has adopted the code of conduct defined by the Contributor Covenant to clarify expected behavior in our community.
 For more information see the [.NET Foundation Code of Conduct](https://dotnetfoundation.org/code-of-conduct).
 
-AutoMapper is Copyright © 2009 [Jimmy Bogard](https://jimmybogard.com) and other contributors under the [MIT license](LICENSE.txt).
+AutoMapper is Copyright © 2009 [Jimmy Bogard](https://jimmybogard.com) and other contributors under the [MIT license](https://licenses.nuget.org/MIT).
 
 ### .NET Foundation