diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80b08cb..fd00fed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 
 ### v6.2.4
 
-- 调整User agent [https://github.com/qiniu/ruby-sdk/pull/94](https://github.com/qiniu/ruby-sdk/pull/94)
+- 调整User Agent。 [https://github.com/qiniu/ruby-sdk/pull/94](https://github.com/qiniu/ruby-sdk/pull/94)
 
 ### v6.2.3