Update README.md

README.md

@@ -18,9 +18,9 @@ widget:
       Human. Person. Father. Huge Real Madrid fan
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-Use this model to detect Twitter users' profiles related to healthcare. User profile classification may be useful when searching for health information on Twitter. For a certain health topic, tweets from physicians or organizations may be more reliable than undefined profiles.
+Use this model to detect Twitter users' profiles related to healthcare. User profile classification may be useful when searching for health information on Twitter. For a certain health topic, tweets from physicians or organizations (e.g. ```Board-certified dermatologist```) may be more reliable than undefined or vague profiles (e.g. ```Human. Person. Father```).
 
-The model expects a user description text as input and returns a label for each profile:
+The model expects the user's ```description``` text field (see [Twitter API](https://developer.twitter.com/en/docs/twitter-api/v1/data-dictionary/object-model/user) docs) as input and returns a label for each profile:
 
 - `not-health-related`
 - `health-related`