diff --git a/hw2/README.md b/hw2/README.md
index b6f8bb98..79a587a0 100644
--- a/hw2/README.md
+++ b/hw2/README.md
@@ -1,7 +1,7 @@
-# pdm-f24-hw2
-NYCU Perception and Decision Making 2024 Fall
+# physical-ai-hw2
+NYCU Physical AI 2025 Fall
 
-Spec: https://drive.google.com/file/d/1YdGHuwxW4AOitrrfvNO55kCfEAbjpCMl/view?usp=drive_link
+Spec: [https://drive.google.com/file/d/1YdGHuwxW4AOitrrfvNO55kCfEAbjpCMl/view?usp=drive_link](https://drive.google.com/drive/folders/12uoPM45MA8fwUlywmzalmwcqrUmrHkab?dmr=1&ec=wgc-drive-globalnav-goto)
 
 ## Preparation
-In your original pdm-f24 directory, `git pull` to get new `hw2` directory.
+In your original physical-ai25 directory, `git pull` to get new `hw2` directory.