diff --git a/node/libs/crypto/src/bls12_381/mod.rs b/node/libs/crypto/src/bls12_381/mod.rs
index 5fd95eb9..8a0a2682 100644
--- a/node/libs/crypto/src/bls12_381/mod.rs
+++ b/node/libs/crypto/src/bls12_381/mod.rs
@@ -1,4 +1,4 @@
-//! BLS12-381 signature scheme.
+//! This module implements the BLS signature over the BLS12_381 curve.
 //! This is just an adapter of `blst`, exposing zksync-bft-specific API.
 
 use crate::ByteFmt;
diff --git a/node/libs/crypto/src/bn254/mod.rs b/node/libs/crypto/src/bn254/mod.rs
index f781b91e..50ff3636 100644
--- a/node/libs/crypto/src/bn254/mod.rs
+++ b/node/libs/crypto/src/bn254/mod.rs
@@ -1,4 +1,4 @@
-//! BLS signature scheme for the BN254 curve.
+//! This module implements the BLS signature over the BN254 curve.
 //!
 //! Disclaimer: the implementation of the pairing-friendly elliptic curve does not run in constant time,
 //! hence it does not protect the secret key from side-channel attacks.