diff --git a/bitcoin/src/crypto/ecdsa.rs b/bitcoin/src/crypto/ecdsa.rs
index e982e522..14251fac 100644
--- a/bitcoin/src/crypto/ecdsa.rs
+++ b/bitcoin/src/crypto/ecdsa.rs
@@ -2,7 +2,7 @@
 
 //! ECDSA Bitcoin signatures.
 //!
-//! This module provides ECDSA signatures used Bitcoin that can be roundtrip (de)serialized.
+//! This module provides ECDSA signatures used by Bitcoin that can be roundtrip (de)serialized.
 
 use core::str::FromStr;
 use core::{fmt, iter};
@@ -29,7 +29,7 @@ pub struct Signature {
 }
 
 impl Signature {
-    /// Constructs an ECDSA bitcoin signature for [`EcdsaSighashType::All`].
+    /// Constructs an ECDSA Bitcoin signature for [`EcdsaSighashType::All`].
     pub fn sighash_all(sig: secp256k1::ecdsa::Signature) -> Signature {
         Signature { sig, hash_ty: EcdsaSighashType::All }
     }