Update README.md

README.md

@@ -23,7 +23,7 @@ dataset_info:
     num_examples: 2731
   download_size: 50042791
   dataset_size: 51484972.269
-- config_name: D2/D2-Class
+- config_name: D2-Class
   features:
   - name: Diagram Type
     dtype: string
@@ -50,7 +50,7 @@ configs:
   data_files:
   - split: train
     path: D2/D2-Block/train-*
-- config_name: D2/D2-Class
+- config_name: D2-Class
   data_files:
   - split: train
     path: D2/D2-Class/train-*