Update README.md

README.md

@@ -63,6 +63,6 @@ This dataset contains 61.715 tweets, organized into 21 columns:
 NTSScraper, Twitter API, [Kaggle public dataset](https://www.kaggle.com/datasets/augustop/portuguese-tweets-for-sentiment-analysis)
 
 ### Collection Methodology
-- **5000** tweets from NTSScraper: crime-related keywords (robbery, assault, etc.) and locations (streets, squares, etc); 
-- **5000** tweets from API: crime-related keywords (when it was freely available for academic research); 
+- **5000** tweets from [NTSScraper](https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://pypi.org/project/ntscraper/&ved=2ahUKEwiWwMmrlpOKAxWhQ7gEHYPyEt4QFnoECA0QAQ&usg=AOvVaw31NZ3phyA6R_9I324h6UQd): crime-related keywords (robbery, assault, etc.) and locations (streets, squares, etc); 
+- **5000** tweets from [Twitter API](https://www.google.com/url?sa=t&source=web&rct=j&opi=89978449&url=https://developer.x.com/en/docs/x-api&ved=2ahUKEwiPzsa8lpOKAxWmr5UCHdVwMLgQFnoECA0QAQ&usg=AOvVaw3JjDYY5eHRQYvC_sxMBI-2): crime-related keywords (when it was freely available for academic research); 
 - **51715** tweets from [Portuguese Tweets for Sentiment Analysis](https://www.kaggle.com/datasets/augustop/portuguese-tweets-for-sentiment-analysis): crime-related keywords and other tweets without context