Update github link and file structure in readme

README.md

@@ -52,13 +52,13 @@ This dataset **does not redistribute original images**. It provides a CSV of ima
 
 **Usage:**    
 1. Download the CSV (`nd400.csv`) from this dataset.  
-2. Use the provided `[prepare_dataset.py](https://github.com/mollahsabbir/Semantic-Drift-in-Unified-Models/prepare_dataset.py)` to organize images and captions for evaluation:
+2. Use the provided [prepare_dataset.py](https://github.com/mollahsabbir/Semantic-Drift-in-Unified-Models/prepare_dataset.py) to organize images and captions for evaluation:
 
 ```
 <evaluation_data_root>/
-├── captions-first/
+├── text-first/
 │ ├── gen-0.csv
-├── images-first/
+├── image-first/
 │ └── gen-0/ (images)
 ```