diff --git a/src/promptflow-core/CHANGELOG.md b/src/promptflow-core/CHANGELOG.md
index 5454b65c9ce..b5762a04501 100644
--- a/src/promptflow-core/CHANGELOG.md
+++ b/src/promptflow-core/CHANGELOG.md
@@ -3,7 +3,7 @@
 ## v1.10.0 (Upcoming)
 
 ### Features Added
-- Add prompty feature to simplify the development of prompt templates for customers, reach[here](https://microsoft.github.io/promptflow/how-to-guides/develop-a-prompty/index.html) for more details.
+- Add prompty feature to simplify the development of prompt templates for customers, reach [here](https://microsoft.github.io/promptflow/how-to-guides/develop-a-prompty/index.html) for more details.
 
 ### Others
 - Add fastapi serving engine support.