Merge pull request scala#4922 from SethTisue/fix-cla-links

fix broken links to Scala CLA

Author: retronym

CONTRIBUTING.md

@@ -14,7 +14,7 @@ By the way, the team at Typesafe is: @adriaanm, @lrytz, @retronym, and @SethTisu
 
 ## What kind of PR are you submitting?
 
-Regardless of the nature of your Pull Request, we have to ask you to digitally sign the [Scala CLA](http://typesafe.com/contribute/cla/scala), to protect the OSS nature of the code base.
+Regardless of the nature of your Pull Request, we have to ask you to digitally sign the [Scala CLA](http://www.typesafe.com/contribute/cla/scala), to protect the OSS nature of the code base.
 
 You don't need to submit separate PRs for 2.11.x, 2.12.x, and 2.13.x. Any changes accepted on one of these branches will, in time, be merged into the later branches.
 

README.md

@@ -3,7 +3,7 @@ This is the official repository for the [Scala Programming Language](http://www.
 
 # How to contribute
 
-To contribute to the Scala Standard Library, Scala Compiler and Scala Language Specification, please send us a [pull request](https://help.github.com/articles/using-pull-requests/#fork--pull) from your fork of this repository! We do have to ask you to sign the [Scala CLA](http://typesafe.com/contribute/cla/scala) before we can merge any of your work into our code base, to protect its open source nature.
+To contribute to the Scala Standard Library, Scala Compiler and Scala Language Specification, please send us a [pull request](https://help.github.com/articles/using-pull-requests/#fork--pull) from your fork of this repository! We do have to ask you to sign the [Scala CLA](http://www.typesafe.com/contribute/cla/scala) before we can merge any of your work into our code base, to protect its open source nature.
 
 For more information on building and developing the core of Scala, read on!