Update s3_viewer_backend/s3_viewer.py

s3_viewer_backend/s3_viewer.py

@@ -1386,7 +1386,8 @@ def get_file(file: str, user_id: str | None = None, request: Request = None):
         "fileType": None,
         "fileContent": None,
         "filePreview": None,
-        "data_sets_preview": None
+        "data_sets_preview": None,
+        "data_set_detailed_description": "Parquet: Show only first 50 rows × first 20 columns  and stats of 10 columns (fast & clean)"
     }
 
     # === Try to get saved chart preview from DB ===