Update README.md

README.md

@@ -30,23 +30,21 @@ These data products have already been applied successfully in machine learning m
 
 ## File Structure  
 
-The repository contains the following:  
-
-ar_emergence/
-│
-├── data.zip # Compressed folder with all AR subfolders
-│ ├── AR11130/
-│ │ ├── mean_int11130_flat.npz
-│ │ ├── mean_mag11130_flat.npz
-│ │ └── mean_pmdop11130_flat.npz
-│ ├── AR11149/
-│ ├── ...
-│ └── AR13183/
-│
-├── train.csv # Training split (36 ARs)
-├── valid.csv # Validation split (8 ARs)
-├── test.csv # Test split (12 ARs)
-└── README.md
+The repository contains the following files and folders:  
+
+- `data.zip` — compressed folder containing all Active Region (AR) subfolders:  
+  - `AR11130/`  
+    - `mean_int11130_flat.npz` → continuum intensity timeline  
+    - `mean_mag11130_flat.npz` → magnetic field timeline  
+    - `mean_pmdop11130_flat.npz` → acoustic power timeline  
+  - `AR11149/`  
+  - …  
+  - `AR13183/`  
+
+- `train.csv` — training split (36 ARs)  
+- `valid.csv` — validation split (8 ARs)  
+- `test.csv` — test split (12 ARs)  
+- `README.md` — dataset description  
 
 Each AR folder contains three `.npz` files: