Say script JSON instead of MTSS in the file table

Co-authored-by: Cursor <cursoragent@cursor.com>

README.md

@@ -32,7 +32,7 @@ tags:
 | File | What it is |
 | --- | --- |
 | `separating-what-from-when.safetensors` | TCR LoRA, rank 128, trained on LTX-2.3 22B (paper 7k-step recipe) |
-| `test_prompts_200.json` | 200 held-out MTSS scripts with per-shot / per-line `time_range` |
+| `test_prompts_200.json` | 200 held-out script JSON files with per-shot / per-line `time_range` |
 
 You still need the **LTX-2.3 22B** checkpoint and the **Gemma 3 12B** text encoder locally. One 80 GB GPU is the working setup.