diff --git a/src/sound/LICENCE.md b/src/sound/LICENCE.md
index a984803a..94e29b0e 100644
--- a/src/sound/LICENCE.md
+++ b/src/sound/LICENCE.md
@@ -22,3 +22,4 @@ The following sound effects have been originally created by Element.
 - `join_call`
 - `end_call`
 - `reactions/rock`
+- `reactions/wave`