diff --git a/core/misc/progress.es6.js b/core/misc/progress.es6.js
index 7c6e431dce..c226f8bb9b 100644
--- a/core/misc/progress.es6.js
+++ b/core/misc/progress.es6.js
@@ -58,7 +58,7 @@
     // reader.
     this.element = $(Drupal.theme('progressBar', id));
 
-    // Implement optional animation of progress bar.
+    // Implements optional animation of progress bar.
     if (drupalSettings.progressBarAnimate) {
       $(this.element).find('progress__bar').addClass('progress__bar--animate');
     }