diff --git a/content/demos/FlxInvaders.md b/content/demos/FlxInvaders.md
index 33b6deadb..19ef47fa8 100644
--- a/content/demos/FlxInvaders.md
+++ b/content/demos/FlxInvaders.md
@@ -10,3 +10,9 @@ A simple invaders game in flixel originally created by [Adam "Atomic" Saltsman](
 Controls:
 
 Left / right to move and spacebar to shoot.
+
+Sound effects created with [ChipTone](https://sfbgames.itch.io/chiptone)
+
+Music: [Sauce-y Space by ninjamuffin99](https://www.newgrounds.com/audio/listen/806085)
+
+Music Licensed under CC BY 3.0 ([link to license](https://creativecommons.org/licenses/by/3.0/))