Prettify README usage examples
@@ -23,7 +23,7 @@ The cSHAKE implementation currently relies on the `tiny-keccak` crate. Currently
will produce **incorrect results on big-endian based systems**. See [issue here](https://github.com/debris/tiny-keccak/issues/15).
### Usage
-```
+```rust
extern crate orion;
use orion::{default, core::util};
