Move doc comments before attributes

README.md

@@ -60,14 +60,14 @@ features = ["extension-module"]
 use pyo3::prelude::*;
 use pyo3::wrap_pyfunction;
 
-#[pyfunction]
 /// Formats the sum of two numbers as string.
+#[pyfunction]
 fn sum_as_string(a: usize, b: usize) -> PyResult<String> {
     Ok((a + b).to_string())
 }
 
-#[pymodule]
 /// A Python module implemented in Rust.
+#[pymodule]
 fn string_sum(py: Python, m: &PyModule) -> PyResult<()> {
     m.add_wrapped(wrap_pyfunction!(sum_as_string))?;