Update LICENSE

LICENSE

@@ -13,13 +13,15 @@ SEE NOTICE BELOW WITH RESPECT TO THE FILES in folder how/
 
 SEE NOTICE BELOW WITH RESPECT TO THE FILES in folder how/
 
-This project contains subcomponents with separate copyright notices and license terms. 
-Your use of the source code for these subcomponents is subject to the terms and conditions of the following licenses.
+This software is being redistributed in its original form, which is available here:
+https://github.com/gtolias/how
 
-====
+PAPER CITATION:
+Tolias, Giorgos, Tomas Jenicek, and Ondřej Chum. "Learning and aggregating deep local descriptors for instance-level recognition." European Conference on Computer Vision. Springer, Cham, 2020.
+
+THE ORIGINAL COPYRIGHT NOTICE AND PERMISSION NOTICE FOR THIS FILE AVAILABLE HERE IS REPRODUCE BELOW:
+https://github.com/gtolias/how/blob/master/LICENSE
 
-gtolias/how
-https://github.com/gtolias/how
 
 MIT License