Update README.md

README.md

@@ -146,17 +146,17 @@ Arguments:
     --images-parent    Parent directory for image chunks (e.g., Baseline/images/train)
     --labels-parent    Parent directory for label chunks (e.g., Baseline/labels/train)
     --output-dir       Where to save the downloaded dataset
-    --flatten          Remove final 'chunk' subdir in output paths (default: True)
+    --flatten          Run with "--flatten" to flatten directories. If you want hierarchical chunk folders, omit --flatten
     --chunks           Specific chunk names (e.g., 000 001); omit to download all
 
 Example usage with all args:
 ```
   python3 utils/download_swim.py
   --repo-id RiceD2KLab/SWiM-SpacecraftWithMasks
-  --images-parent Baseline/images/val
-  --labels-parent Baseline/labels/val
+  --images-parent Baseline/images
+  --labels-parent Baseline/labels
   --output-dir ./SWiM
-  --flatten
+  --flatten             # flattens directories
 ```
   
 **Arguments are all configurable—see `--help` for details.**