update copyright dates from daily grunt work

phetsims · Jul 23, 2021 · 9819b14 · 9819b14
1 parent 4742b7d
commit 9819b14
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/js/density-main.js b/js/density-main.js
@@ -1,4 +1,4 @@
-// Copyright 2019-2020, University of Colorado Boulder
+// Copyright 2019-2021, University of Colorado Boulder
 
 /**
  * Main entry point for the sim.