diff --git a/lib/README.md b/lib/README.md
index 41ea990..6dad6e9 100644
--- a/lib/README.md
+++ b/lib/README.md
@@ -7,3 +7,5 @@ The files in this directory are external libraries used in this project.
     - A kind-of crappy loader for defining Vue components using ES6 classes.
     - Also used under the terms of the MIT license.
     - https://code.garrettmills.dev/garrettmills/vues6
+
+Sound effects obtained from https://www.zapsplat.com
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