Update README.md

README.md

@@ -9,4 +9,12 @@ app_file: app.py
 pinned: false
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces#reference
+# Twitter Positivity Analyzer
+
+This Space provides an application to analyze the positivity of a tweet.
+It uses a BERT to classify the tweet into five categories:
+- Extremely negative
+- Negative
+- Neutral
+- Positive
+- Extremely positive