diff --git a/js/intro/view/WaveWebGLNode.ts b/js/intro/view/WaveWebGLNode.ts
index ef4579e8..b90cd621 100644
--- a/js/intro/view/WaveWebGLNode.ts
+++ b/js/intro/view/WaveWebGLNode.ts
@@ -1,4 +1,4 @@
-// Copyright 2015-2021, University of Colorado Boulder
+// Copyright 2021, University of Colorado Boulder
 
 /**
  * Wave WebGl Rendering.