diff --git a/docs/机器学习/CS229.en.md b/docs/机器学习/CS229.en.md
index 7b334aa4..b97fbf2e 100644
--- a/docs/机器学习/CS229.en.md
+++ b/docs/机器学习/CS229.en.md
@@ -12,11 +12,11 @@ Another course offered by Andrew Ng, but this is a postgraduate course, so it fo
 
 ## Resources
 
-- Course Website:<http://cs229.stanford.edu/syllabus.html>
-- Recordings:<https://www.bilibili.com/video/BV1JE411w7Ub>
+- Course Website: <http://cs229.stanford.edu/syllabus.html>
+- Recordings: <https://www.bilibili.com/video/BV1JE411w7Ub>
 - Recordings: None, but the lecture notes is excellent.
 - Assignments: Not open to the public
 
 ## Personal Resources
 
-All the resources and assignments used by @PKUFlyingPig in this course are maintained in [PKUFlyingPig/CS229 - GitHub](https://github.com/PKUFlyingPig/CS229)
\ No newline at end of file
+All the resources and assignments used by @PKUFlyingPig in this course are maintained in [PKUFlyingPig/CS229 - GitHub](https://github.com/PKUFlyingPig/CS229)