Update README.md

README.md

@@ -58,6 +58,6 @@ Each pair is human-annotated with a similarity score from 1 to 5. However, for t
       'sentence2': 'A man is playing a flute.',
       'score': 0.76,
     }
-   ```
+    ```
 * Collection strategy: Reading the sentences and score from STSB dataset and dividing the score by 5.
 * Deduplified: No