diff --git a/src/zk.rs b/src/zk.rs
index 697963b4bd447551131bcffc87f6683fdee99a6d..0e49354c44a610fc6045454310f17cfde88a6dd5 100644
--- a/src/zk.rs
+++ b/src/zk.rs
@@ -158,8 +158,8 @@ where
     Ok(commits)
 }
 
-// compute the number of elements that a _trusted setup_ should have for data of
-// a certain expected size
+/// compute the number of elements that a _trusted setup_ should have for data of
+/// a certain expected size
 pub fn nb_elements_in_setup<F: PrimeField>(nb_bytes: usize) -> usize {
     let bytes_per_element = (F::MODULUS_BIT_SIZE as usize) / 8;
     nb_bytes / bytes_per_element