diff --git a/showcase/carts/space-shooter/src/main.zig b/showcase/carts/space-shooter/src/main.zig
index 8e7cdc1..03e88c8 100644
--- a/showcase/carts/space-shooter/src/main.zig
+++ b/showcase/carts/space-shooter/src/main.zig
@@ -45,6 +45,7 @@ inline fn rgb565(clr: cart.NeopixelColor) cart.DisplayColor {
     };
 }
 
+// rand implementation "borrowed" from the blobs cart
 var rand: std.rand.DefaultPrng = undefined;
 fn rand_float() f32 {
     const byte_count = 2;