Update main.py

main.py

@@ -30,7 +30,7 @@ def search(query, k):
     search_results = ""
 
     for i in range(k):
-        search_results += '## ' + top_five["bibtex"].values[i]["title"] + '\n'
+        search_results += '### ' + top_five["bibtex"].values[i]["title"] + '\n'
         search_results += top_five["bibtex"].values[i]["citation"]
         if top_five["pub_url"].values[i] is not None:
             search_results += ", [Paper](" + top_five["pub_url"].values[i] + ")"