diff --git a/README.md b/README.md
index 05f20b5..d8a5d44 100644
--- a/README.md
+++ b/README.md
@@ -18,9 +18,11 @@ Yet another Chrome extension for GitHub. Inspired by [Octotree](https://github.c
 - [x] support access token (for private repo and frequent usage)
 - [x] consistent UI with GitHub
   - [x] use [octicons](https://octicons.github.com)
-- [x] light size (~30kb) & low memory usage
+- [x] light size (~60kb) & low memory usage
 - [more WIP](https://github.com/EnixCoda/Gitako/projects/1)
 
+[Change Log](https://github.com/EnixCoda/Gitako/wiki/ChangeLog)
+
 ### Download
 
 [install from Chrome web store](https://chrome.google.com/webstore/detail/gitako/giljefjcheohhamkjphiebfjnlphnokk)