Update README.md

Author: jiegzhan

README.md

@@ -21,7 +21,7 @@
  - Command: python3 train.py training_data.file parameters.json
  - Example: ```python3 train.py ./data/consumer_complaints.csv.zip ./parameters.json```
 
- A directory will be created during training, and the best model will be saved in this directory. 
+ A directory will be created during training, and the trained model will be saved in this directory. 
 
 ### Predict: