diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6e5ddd0..ca715d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [1.0.0]
+
 * First release.
 
-[Unreleased]: https://github.com/shimataro/ssh-key-action/compare/8deacc95b1ee5732107e56baa4c8aac4c386ef7e...HEAD
+[Unreleased]: https://github.com/shimataro/ssh-key-action/compare/v1.0.0...HEAD
+[1.0.0]: https://github.com/shimataro/ssh-key-action/compare/8deacc95b1ee5732107e56baa4c8aac4c386ef7e...v1.0.0
diff --git a/README.md b/README.md
index 3c3cf7d..6de1f63 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Install SSH key
 
-This action installs SSH private key into `~/.ssh`.
+This action installs SSH key into `~/.ssh`.
 
 Useful for `rsync` over SSH in deployment script.