added license text

sharonhoward · Sep 15, 2018 · d2163d5 · d2163d5
1 parent 1f9ec48
commit d2163d5
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -13,6 +13,11 @@ Contents
 -   Citation
 -   Future plans
 
+
+This data is released under a Creative Commons Attribution-ShareAlike 4.0 International Licence.
+
+[![License: CC BY-SA 4.0](https://licensebuttons.net/l/by-sa/4.0/80x15.png)](http://creativecommons.org/licenses/by-sa/4.0/)
+
 Description
 ----------------