update README.md

README.md

@@ -44,21 +44,21 @@ Original data are available on [Zenodo](https://zenodo.org/records/8009680). Mor
    
 4. [Dataset Structure](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
    
-   - [Data Instances](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
+    - [Data Instances](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
    
-   - [Data Format/Fields](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
+    - [Data Format/Fields](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
    
-   - [Data Splits](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
+    - [Data Splits](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
    
 5. [Image Resolution](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
 
 6. [Additional Information](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
     
-   - [License](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
+    - [License](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
    
-   - [Citation](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
+    - [Citation](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
    
-   - [Disclaimer](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
+    - [Disclaimer](https://huggingface.co/datasets/cdoswald/SPIDER#dataset-summary)
 
 
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