diff --git a/license.txt b/license.txt
index a0a2105..25ab679 100644
--- a/license.txt
+++ b/license.txt
@@ -22,3 +22,5 @@ THE SOFTWARE.
 
 
 Textures under CC0 license by TenPlus1
+
+tnt_smoke.png under Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)