Update README.md

README.md

@@ -182,7 +182,7 @@ print(evaluation_scores)
 ```
 
 ## Limitations and Bias
-This metric has strict and boundaries mode, also can select relation_types for different type evaluation. Make sure to select suitable evaluation parameters. F1 score may be totally different.
+This metric has two mode : strict and boundaries. It also has multiple relation_types to choose from. Make sure to select suitable evaluation parameters. F1 score may be totally different.
 Prediction and reference entity_name should be exactly the same regardless of case and spaces. If prediction is not exactly the same as the reference one. It will count as fp or fn. 
 
 ## Citation