diff --git a/cryptoki/src/mechanism/eddsa.rs b/cryptoki/src/mechanism/eddsa.rs
index 0471933a..90d9be7d 100644
--- a/cryptoki/src/mechanism/eddsa.rs
+++ b/cryptoki/src/mechanism/eddsa.rs
@@ -120,7 +120,7 @@ impl EddsaParams<'_> {
     ///
     /// # Arguments
     ///
-    /// * `params` - The CK_EDDSA_PARAMS structure.
+    /// * `scheme` - The EdDSA signature scheme.
     ///
     /// # Returns
     ///
diff --git a/cryptoki/src/session/message_decryption.rs b/cryptoki/src/session/message_decryption.rs
index 1d9bae8b..53de5294 100644
--- a/cryptoki/src/session/message_decryption.rs
+++ b/cryptoki/src/session/message_decryption.rs
@@ -1,6 +1,6 @@
 // Copyright 2025 Contributors to the Parsec project.
 // SPDX-License-Identifier: Apache-2.0
-//! Encrypting data
+//! Decrypting messages
 
 use crate::context::Function;
 use crate::error::{Result, Rv};
diff --git a/cryptoki/src/session/message_encryption.rs b/cryptoki/src/session/message_encryption.rs
index 5288339a..58b14d6d 100644
--- a/cryptoki/src/session/message_encryption.rs
+++ b/cryptoki/src/session/message_encryption.rs
@@ -1,6 +1,6 @@
 // Copyright 2025 Contributors to the Parsec project.
 // SPDX-License-Identifier: Apache-2.0
-//! Encrypting data
+//! Encrypting messages
 
 use crate::context::Function;
 use crate::error::{Result, Rv};