Update app.py

app.py

@@ -92,8 +92,8 @@ db = Qdrant(
 )
 
 retriever = db.as_retriever(
-    search_type="cosine",
-    search_kwargs={"k": 4}
+    search_type="similarity",
+    search_kwargs={"k": 5}
 )
 
 # Create a new collection for logs