Update README.md

Suggest adding language tag

README.md

@@ -1,28 +1,30 @@
 ---
 dataset_info:
   features:
-    - name: url
-      dtype: string
-    - name: text
-      dtype: string
-    - name: date
-      dtype: string
-    - name: metadata
-      dtype: string
+  - name: url
+    dtype: string
+  - name: text
+    dtype: string
+  - name: date
+    dtype: string
+  - name: metadata
+    dtype: string
   splits:
-    - name: train
-      num_bytes: 56651995057
-      num_examples: 6315233
+  - name: train
+    num_bytes: 56651995057
+    num_examples: 6315233
   download_size: 16370689925
   dataset_size: 56651995057
   license: odc-by
   task_categories:
-    - text-generation
+  - text-generation
   language:
-    - en
+  - en
   pretty_name: OpenWebMath
   size_categories:
-    - 10B<n<100B
+  - 10B<n<100B
+language:
+- en
 ---
 
 <img src="imgs/OpenWebMath-left.png" width="300">
@@ -107,4 +109,4 @@ OpenWebMath is made available under an ODC-By 1.0 license; users should also abi
       archivePrefix={arXiv},
       primaryClass={cs.AI}
 }
-```
+```