Update README.md

README.md

@@ -1,5 +1,5 @@
 ---
-license: unknown
+license: cc-by-4.0
 language:
 - en
 - ru
@@ -61,4 +61,4 @@ The example of one sample is provided below
   - `hour_diff`: number of hours since the last transaction for this client.
   - `transaction_number`: sequence number of the client's transaction.
 - `product`: product ID for which it is necessary to make a decision whether the applicant will go into default or not
-- `flag`: target, 1 - the fact of going into default.
+- `flag`: target, 1 - the fact of going into default.