diff --git a/keyboard/kwark/pcb/readme.md b/keyboard/kwark/pcb/readme.md
index 267d95d0..d097df2c 100644
--- a/keyboard/kwark/pcb/readme.md
+++ b/keyboard/kwark/pcb/readme.md
@@ -8,3 +8,8 @@ Info for ordering from EasyEDA.com
     Surface Finish: HASL;
     Copper Weight: 1;
     Panelized PCBs: 1
+
+
+Gerber files released under https://creativecommons.org/licenses/by-sa/4.0/
+
+![Creative Commons Attribution-ShareAlike 4.0 International License](https://i.creativecommons.org/l/by-sa/4.0/88x31.png)