diff --git a/modules/prediction/README.md b/modules/prediction/README.md
index 61f51db8ad1b7f42ea030a8e6e4a288de6d38ec6..ffdd06e8040aa617fe774cfd2f845d19b5f6148e 100644
--- a/modules/prediction/README.md
+++ b/modules/prediction/README.md
@@ -66,7 +66,7 @@ There exists 5 types of evaluators, two of which were added in Apollo 3.5. As Cr
 
 * **Social Interaction evaluator**: this model is used for pedestrians, for short term trajectory prediction. It uses social LSTM. This evaluator was created for caution level obstacles
 
-* **Semantic LSTM evaluator**: this evaluator is used in the new Caution Obstacle model to generate short term trajectory points which are calculated using CNN and LSTM
+* **Semantic LSTM evaluator**: this evaluator is used in the new Caution Obstacle model to generate short term trajectory points which are calculated using CNN and LSTM. Both vehicles and pedestrians are using this same model, but with different parameters
 
 
 ### Predictor