Define features explicitly in the dataset card

README.md

@@ -1,5 +1,51 @@
 ---
 license: cc-by-4.0
+dataset_info:
+  features:
+  - name: bff_contained_ngram_count_before_dedupe
+    dtype: int64
+  - name: language_id_whole_page_fasttext
+    struct:
+    - name: en
+      dtype: float64
+  - name: metadata
+    struct:
+    - name: Content-Length
+      dtype: string
+    - name: Content-Type
+      dtype: string
+    - name: WARC-Block-Digest
+      dtype: string
+    - name: WARC-Concurrent-To
+      dtype: string
+    - name: WARC-Date
+      dtype: timestamp[s]
+    - name: WARC-IP-Address
+      dtype: string
+    - name: WARC-Identified-Payload-Type
+      dtype: string
+    - name: WARC-Payload-Digest
+      dtype: string
+    - name: WARC-Record-ID
+      dtype: string
+    - name: WARC-Target-URI
+      dtype: string
+    - name: WARC-Type
+      dtype: string
+    - name: WARC-Warcinfo-ID
+      dtype: string
+    - name: WARC-Truncated
+      dtype: string
+  - name: previous_word_count
+    dtype: int64
+  - name: text
+    dtype: string
+  - name: url
+    dtype: string
+  - name: warcinfo
+    dtype: string
+  - name: fasttext_openhermes_reddit_eli5_vs_rw_v2_bigram_200k_train_prob
+    dtype: float64
 ---
 ## DCLM-baseline 
 DCLM-baseline is a 4T token / 3B document pretraining dataset that achieves strong performance on language model benchmarks.