Fix tab issue in YAML block

README.md

@@ -8,20 +8,20 @@ pretty_name: ChAFF
 size_categories:
 - 100K<n<1M
 dataset_info:
-- config_name: ChAFF
-  features:
-  - name: Type
-    dtype: string
-  - name: DatasetName
-    dtype: string	
-  - name: AID
-    dtype: int64
-  - name: ID
-    dtype: string
-  - name: IDType
-    dtype: string
-  - name: SMILES
-    dtype: string
+  - config_name: ChAFF
+    features:
+    - name: Type
+      dtype: string
+    - name: DatasetName
+      dtype: string	
+    - name: AID
+      dtype: int64
+    - name: ID
+      dtype: string
+    - name: IDType
+      dtype: string
+    - name: SMILES
+      dtype: string
 ---
 
 # ChAFF datasets