}
-// Now we can compare `BigInt`s. Rust treats `PratialEq` special in that it is wired to the operator `==`:
+// Now we can compare `BigInt`s. Rust treats `PartialEq` special in that it is wired to the operator `==`:
fn compare_big_ints() {
let b1 = BigInt::new(13);
let b2 = BigInt::new(37);