fix new nightly lint too_long_first_doc_paragraph

src/lib.rs

@@ -29,9 +29,11 @@ pub use marlu::{AzEl, Jones}; // So that callers can have a different version of
 
 use ndarray::ArrayView1;
 
-/// Ensure that any delays of 32 have an amplitude (dipole gain) of 0. The
-/// results are bad otherwise! Also ensure that we have 32 dipole gains (amps)
-/// here. Also return a Rust array of delays for convenience.
+/// Ensure that any delays of 32 have an amplitude (dipole gain) of 0.
+///
+/// The results are bad otherwise!
+/// Also ensure that we have 32 dipole gains (amps) here.
+/// Also return a Rust array of delays for convenience.
 pub fn fix_amps_ndarray(amps: ArrayView1<f64>, delays: ArrayView1<u32>) -> ([f64; 32], [u32; 16]) {
     let mut full_amps: [f64; 32] = [1.0; 32];
     full_amps