readme update

README.md

@@ -1,12 +1,17 @@
-# rust-crypto's utilities [![Build Status](https://travis-ci.org/RustCrypto/utils.svg?branch=master)](https://travis-ci.org/RustCrypto/utils)
-This repository contains various utility crates used in the rust-crypto project.
+# RustCrypto: utility crates [![Build Status](https://travis-ci.org/RustCrypto/utils.svg?branch=master)](https://travis-ci.org/RustCrypto/utils)
+This repository contains various utility crates used in the RustCrypto project.
 
-## Contributions
+## License
 
-By submitting a pull request you are agreeing to make you work available under
-the license terms of the Rust-Crypto project.
+All crates licensed under either of
 
-## License
+ * [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0)
+ * [MIT license](http://opensource.org/licenses/MIT)
+
+at your option.
+
+### Contribution
 
-Rust-Crypto is dual licensed under the MIT and Apache 2.0 licenses, the same
-licenses as the Rust compiler.
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
+dual licensed as above, without any additional terms or conditions.