Update README for full-data release layout

README.md

@@ -28,12 +28,12 @@ scripts/
   extract_vlac2_release_frames.py
 
 data/
-  vlac2_release_data_part01_arx_group_a.tar.zst
-  vlac2_release_data_part02_arx_group_b.tar.zst
-  vlac2_release_data_part03_arx_group_c.tar.zst
-  vlac2_release_data_part04_droid_group_a.tar.zst
-  vlac2_release_data_part05_droid_group_b.tar.zst
-  vlac2_release_data_part06_droid_group_c.tar.zst
+  vlac2_release_data_part01_arx_group_a.tar.zst.part-*
+  vlac2_release_data_part02_arx_group_b.tar.zst.part-*
+  vlac2_release_data_part03_arx_group_c.tar.zst.part-*
+  vlac2_release_data_part04_droid_group_a.tar.zst.part-*
+  vlac2_release_data_part05_droid_group_b.tar.zst.part-*
+  vlac2_release_data_part06_droid_group_c.tar.zst.part-*
   vlac2_release_data_part07_other_sources.tar.zst
 ```
 
@@ -45,7 +45,7 @@ data/
 bash scripts/unpack_data.sh /path/to/data
 ```
 
-Some archives are distributed as multi-part files to satisfy Hub file-size limits. `unpack_data.sh` detects these parts automatically and streams them into a single extraction pass.
+Several large archives are distributed as multi-part files to satisfy Hub file-size limits. `unpack_data.sh` detects these parts automatically and streams them into a single extraction pass.
 
 ### 2. Extract frames for a selected benchmark JSON
 
@@ -73,4 +73,4 @@ Replace `__VLAC2_FRAMES_ROOT__` with the absolute path to the extracted-frame di
 * This release contains the complete raw-data archive set used by the VLAC-Cut benchmark release workflow.
 * The `benchmark_style_all/all` split is larger than the benchmark evaluation subsets and is rebuilt from the full annotation PKL source tree.
 * The benchmark JSON files are pre-generated and do not need to be rebuilt for standard use.
-* Large raw-data archives may appear as split `.part-*` files in `data/`; these are unpacked transparently by the provided script.
+* The large raw-data archives are distributed as split `.part-*` files in `data/`; these are unpacked transparently by the provided script.