diff --git a/doc/configuration/locale/LocaleApiDoc.vue b/doc/configuration/locale/LocaleApiDoc.vue
index 125172868..b870684a9 100644
--- a/doc/configuration/locale/LocaleApiDoc.vue
+++ b/doc/configuration/locale/LocaleApiDoc.vue
@@ -222,7 +222,7 @@
                     </tr>
                     <tr>
                         <td>firstDayOfWeek</td>
-                        <td></td>
+                        <td>0</td>
                     </tr>
                     <tr>
                         <td>dateFormat</td>