diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17eef19..0e8e3e2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## [Unreleased](https://github.com/dalance/sv-parser/compare/v0.6.3...Unreleased) - ReleaseDate
 
+* [Changed] error message of Error::Io
+
 ## [v0.6.3](https://github.com/dalance/sv-parser/compare/v0.6.2...v0.6.3) - 2020-02-13
 
 ## [v0.6.2](https://github.com/dalance/sv-parser/compare/v0.6.1...v0.6.2) - 2020-02-13
diff --git a/sv-parser-error/src/lib.rs b/sv-parser-error/src/lib.rs
index 638b3f8..96ca1dd 100644
--- a/sv-parser-error/src/lib.rs
+++ b/sv-parser-error/src/lib.rs
@@ -5,7 +5,7 @@ use thiserror::Error;
 
 #[derive(Error, Debug)]
 pub enum Error {
-    #[error("IO error")]
+    #[error("IO error: {0}")]
     Io(#[from] std::io::Error),
     #[error("File error: {path:?}")]
     File {