diff --git a/ui/widgets/nuxeo-date-picker.js b/ui/widgets/nuxeo-date-picker.js
index fcfc33f8b..f27fed245 100644
--- a/ui/widgets/nuxeo-date-picker.js
+++ b/ui/widgets/nuxeo-date-picker.js
@@ -86,7 +86,7 @@ import { I18nBehavior } from '../nuxeo-i18n-behavior.js';
         },
 
         /*
-         * The first day of week to be displayed (e.g. `"Sunday -> 0"`, ... `"Saturday -> 6"`).
+         * The first day of week is to be displayed (e.g. `"Sunday -> 0"`, ... `"Saturday -> 6"`).
          * By default, it will be set according the locale.
          */
         firstDayOfWeek: {