Update README.md

README.md

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----
-license: mit
-dataset_info:
-  features:
-  - name: image
-    dtype: image
-  - name: label
-    dtype: string
-  - name: ground_truth
-    dtype: string
-  splits:
-  - name: train
-    num_bytes: 851987333.125
-    num_examples: 5031
-  - name: test
-    num_bytes: 95338753.0
-    num_examples: 559
-  download_size: 946971164
-  dataset_size: 947326086.125
-configs:
-- config_name: default
-  data_files:
-  - split: train
-    path: data/train-*
-  - split: test
-    path: data/test-*
----
+---
+license: mit
+dataset_info:
+  features:
+  - name: image
+    dtype: image
+  - name: label
+    dtype: string
+  - name: ground_truth
+    dtype: string
+  splits:
+  - name: train
+    num_bytes: 851987333.125
+    num_examples: 5031
+  - name: test
+    num_bytes: 95338753
+    num_examples: 559
+  download_size: 946971164
+  dataset_size: 947326086.125
+configs:
+- config_name: default
+  data_files:
+  - split: train
+    path: data/train-*
+  - split: test
+    path: data/test-*
+tags:
+- documents
+- finance
+- tax-forms
+pretty_name: US Tax Forms (Donut Processed)
+size_categories:
+- 1K<n<10K
+---
+
+# NIST-SD2 (US Tax Forms) Donut Dataset
+
+Processed version of [NIST Special Database 2](https://www.nist.gov/srd/nist-special-database-2) for document understanding tasks, formatted for use with the Donut architecture. Contains 5,590 annotated document images (5,031 train, 559 test) across 20 tax form classes.
+## Description
+- **Curated by:** National Institute of Standards and Technology (NIST)
+- **License:** MIT
+- **Total Size:** 947.33 MB
+- **Annotations:** 
+  - Class labels (20 tax form types)
+  - Full text ground truth