Update README.md

README.md

@@ -13,7 +13,9 @@ Structure:
 – number of responses to the parent comment;  
 – normalized value of number of responses to the parent comment (from 0 to 1).  
 
-Dataset isn't cleaned. It contains these symbols: **a-zA-Zа-яА-Я0-9.,!?;:**  
+It contains these symbols: **a-zA-Zа-яА-Я0-9.,!?;:**  
+
+Dataset isn't cleaned! 
 Due to the specifics of moderation on DTF.ru the dataset contains many duplicate rows. There are some types of them:  
 – "Этот материал был удален по просьбе автора";  
 – "Комментарий недоступен";