diff --git a/src/constants.rs b/src/constants.rs
index 8da0e8c..07b9d02 100644
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -13,8 +13,8 @@
 // If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
 //
 
-//! # Constants
 //! Constants related to the API and the underlying curve.
+//!
 
 /// The size (in bytes) of a message.
 pub const MESSAGE_SIZE: usize = 32;
diff --git a/src/ecdh.rs b/src/ecdh.rs
index e0df282..0897ddc 100644
--- a/src/ecdh.rs
+++ b/src/ecdh.rs
@@ -12,7 +12,6 @@
 // If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
 //
 
-//! # ECDH
 //! Support for shared secret computations.
 //!
 
diff --git a/src/ecdsa/recovery.rs b/src/ecdsa/recovery.rs
index 4b1488f..2a3f4bc 100644
--- a/src/ecdsa/recovery.rs
+++ b/src/ecdsa/recovery.rs
@@ -13,9 +13,9 @@
 // If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
 //
 
-//! # Recovery module
 //! Provides a signing function that allows recovering the public key from the
 //! signature.
+//!
 
 use core::ptr;
 use key;
diff --git a/src/lib.rs b/src/lib.rs
index 018df93..e3725e5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -13,7 +13,6 @@
 // If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
 //
 
-//! # Secp256k1
 //! Rust bindings for Pieter Wuille's secp256k1 library, which is used for
 //! fast and accurate manipulation of ECDSA signatures on the secp256k1
 //! curve. Such signatures are used extensively by the Bitcoin network