Update README.md

README.md

@@ -28,7 +28,7 @@ This dataset is a collection of question-answer pairs, collected from Google. Se
   {
     'question': 'is toprol xl the same as metoprolol?',
     'answer': 'Metoprolol succinate is also known by the brand name Toprol XL. It is the extended-release form of metoprolol. Metoprolol succinate is approved to treat high blood pressure, chronic chest pain, and congestive heart failure.',
-    'category': 'Chemistry'
+    'category': 'Medicine'
   }
 ```