CLDR-14239 README.md and CONTRIBUTING.md updates (#3186)

CONTRIBUTING.md

@@ -52,12 +52,11 @@ begin with the accepted Jira ticket number.
 
 In order to contribute to this project, the Unicode Consortium must have on file a Contributor License Agreement (CLA) covering your contributions, either an individual or a corporate CLA. Pull Requests will not be merged until the correct CLA is signed. Which version needs to be signed depends on who owns the contribution being made: you as the individual making the contribution or your employer. _It is your responsibility to determine whether your contribution is owned by your employer._ Please review [The Unicode Consortium Intellectual Property, Licensing, and Technical Contribution Policies][policies] for further guidance on which CLA to sign, as well as other information and guidelines regarding the Consortium’s licensing and technical contribution policies and procedures.
 
-- **Individual CLA**: If you have determined that the Individual CLA is appropriate, just open a Pull Request and you will have the opportunity to click to accept the Individual CLA.
+- **Individual CLA**: If you have determined that the Individual CLA is appropriate, then when you open your first Pull Request, an automated comment will appear that contains a link you can follow to accept the Individual CLA.
 
-- **Corporate CLA**: If you have determined that a Corporate CLA is appropriate, please check the [public list of Corporate CLAs][unicode-corporate-clas] that the Consortium has on file. If your employer has already signed a CLA, then just open a Pull Request and you will have the opportunity to click that your employer has already signed a CLA. If your employer has not already signed a CLA, you will need to arrange for your employer to sign the Corporate CLA, as described in [How to Sign a Unicode CLA][signing].
-
-Unless otherwise noted in the LICENSE file, this project is released under the free and open-source [Unicode License][unicode-license], also known as Unicode, Inc. License Agreement - Data Files and Software.
+- **Corporate CLA**: If you have determined that a Corporate CLA is appropriate, please check the [public list of Corporate CLAs][unicode-corporate-clas] that the Consortium has on file. If your employer has already signed a CLA, then when you open your first Pull Request, an automated comment will appear that contains a link you can follow to declare your affiliation with this employer. If your employer has not already signed a CLA, you will need to arrange for your employer to sign the Corporate CLA, as described in [How to Sign a Unicode CLA][signing].
 
+Unless otherwise noted in the [LICENSE](./LICENSE) file, this project is released under the free and open-source [Unicode License][unicode-license], also known as Unicode, Inc. License Agreement - Data Files and Software.
 
 ## Building
 

README.md

@@ -32,12 +32,12 @@ For details about code and other contributions, see [CONTRIBUTING.md](./CONTRIBU
 
 A source formatter is now used, please see [spotless](./tools/README.md#spotless) for details.
 
-### Licenses
+### Copyright & Licenses
 
-This product is released under [LICENSE](./LICENSE)
+Copyright © 2004-2023 Unicode, Inc. Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. in the United States and other countries.
 
-Note that some CLDR tools depend on libraries managed via Maven; use of these libraries is governed by separate license agreements.
+The project is released under [LICENSE](./LICENSE).
 
-### Copyright
+Note that some CLDR tools depend on libraries managed via Maven; use of these libraries is governed by separate license agreements.
 
-Copyright © 2004-2023 Unicode, Inc. Unicode and the Unicode Logo are registered trademarks of Unicode, Inc. in the United States and other countries.
+A CLA is required to contribute to this project - please refer to the [CONTRIBUTING.md](./CONTRIBUTING.md) file (or start a Pull Request) for more information.