diff --git a/ExampleHuman/README.md b/ExampleHuman/README.md
index f9e075c..2596cc2 100644
--- a/ExampleHuman/README.md
+++ b/ExampleHuman/README.md
@@ -1,3 +1,5 @@
 The images of human cells were provided by Jason Moffat.
 
 Moffat J, Grueneberg DA, Yang X, Kim SY, Kloepfer AM, Hinkle G, Piqani B, Eisenhaure TM, Luo B, Grenier JK, Carpenter AE, Foo SY, Stewart SA, Stockwell BR, Hacohen N, Hahn WC, Lander ES, Sabatini DM, Root DE (2006) A lentiviral RNAi library for human and mouse genes applied to an arrayed viral high-content screen. Cell, 124(6):1283-98 / doi: 10.1016/j.cell.2006.01.040. PMID 16564017
+
+The images in this example are licensed as CC-0.