diff --git a/js/common/view/proportions/ProportionsGenerationSpinner.ts b/js/common/view/proportions/ProportionsGenerationSpinner.ts
index e31939b5..7e3a8b24 100644
--- a/js/common/view/proportions/ProportionsGenerationSpinner.ts
+++ b/js/common/view/proportions/ProportionsGenerationSpinner.ts
@@ -1,4 +1,4 @@
-// Copyright 2020-2022, University of Colorado Boulder
+// Copyright 2020-2023, University of Colorado Boulder
 
 /**
  * ProportionsGenerationSpinner is the spinner used to select the generation displayed by the Proportions graph.