Update README.md

README.md

@@ -39,15 +39,15 @@ All dataset samples are written in Greek.
 
 ## Dataset Structure
 
-The dataset is structured as a `.csv` file of 600 rows.
+The dataset is structured as a `.csv` file of 600 rows.  
 The following data fields are provided:
 
 `id`: (**str**) The post id.  
 `question`: (**str**) The post question and its context.  
 `answers`: (**str**): The string containing the four candidate answers.  
-`best_answer`: (**str**) The best answer text selected by the community. 
-`best_answer_index`: (**str**) The letter index of the best answer. 
-`date`: (**str**) The post publication date.
+`best_answer`: (**str**) The best answer text selected by the community.  
+`best_answer_index`: (**str**) The letter index of the best answer.  
+`date`: (**str**) The post publication date.  
 
 ### Example code
 ```python