diff --git a/CHANGELOG.md b/CHANGELOG.md
index ba03899..af5fd03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Moved register value mask definitions from reg module to field value impl.
+- Updated error messages for #[from] attributed errors.
 
 ## [0.3.0] - 2025-03-27
 
diff --git a/src/generator.rs b/src/generator.rs
index 3d10074..f4487b4 100644
--- a/src/generator.rs
+++ b/src/generator.rs
@@ -26,7 +26,7 @@ use thiserror::Error;
 
 #[derive(Debug, Error)]
 pub enum CodeGenError {
-    #[error("tokenization(syn) error: {0}")]
+    #[error("tokenization(syn) error")]
     SynError(#[from] syn::Error),
     #[error("failed to create file (name duplicated): {0}")]
     FilePathDuplicatedError(String),
diff --git a/src/integrated.rs b/src/integrated.rs
index 1d610f2..c2dd810 100644
--- a/src/integrated.rs
+++ b/src/integrated.rs
@@ -11,20 +11,20 @@ use crate::{
 
 #[derive(Debug, Error)]
 pub enum Error {
-    #[error("error in getting xml git info: {0}")]
+    #[error("error in getting xml git info")]
     XmlGitInfoError(#[from] XmlGitInfoError),
-    #[error("io error: {0}")]
+    #[error("io error")]
     IOError(#[from] std::io::Error),
-    #[error("xml parse error: {0}")]
+    #[error("xml parse error")]
     XmlParseError(#[from] roxmltree::Error),
-    #[error("dom conversion error: {0}")]
+    #[error("dom conversion error")]
     DomConversionError(#[from] converter::DomConversionError),
     #[error("invalid register map:\n{}", ._0.iter().map(|e| e.to_string()).join("\n"))]
     RegmapValidationError(Vec<validator::ValidationError>),
-    #[error("code generation error: {0}")]
+    #[error("code generation error")]
     CodeGenError(#[from] generator::CodeGenError),
     #[cfg(feature = "flatmap")]
-    #[error("csv write error: {0}")]
+    #[error("csv write error")]
     CsvWriteError(#[from] csv::Error),
 }