Fix a link in readme

README.md

@@ -65,7 +65,7 @@ dcf.eval(false, &k, &[&x], &mut [&mut y]);
 For full domain evaluation, use `full_eval` instead.
 While similar to `eval`, `full_eval` does not accept a vector of `x`, and instead expect a vector of `y` whose length is `2 ** (N * 8)` to store all evaluated `y`.
 
-More examples are available as benchmarks in the [benches dir][./benches]
+More examples are available as benchmarks in the [benches dir](./benches)
 
 ## References