diff --git a/js/view/ISLCRulerRegionsNode.js b/js/view/ISLCRulerRegionsNode.js
index dc22170..f145b1d 100644
--- a/js/view/ISLCRulerRegionsNode.js
+++ b/js/view/ISLCRulerRegionsNode.js
@@ -1,7 +1,7 @@
 // Copyright 2019-2020, University of Colorado Boulder
 
 /**
- * Shows the regions that a ruler can occupy in vertical space. These regions are used for interactive descriptions of
+ * Shows the regions that a ruler can occupy in vertical space. These regions are used for interactive description of
  * the ruler.
  *
  * @author Michael Kauzmann (PhET Interactive Simulations)