diff --git a/src/views/cascadeselect/CascadeSelectDoc.vue b/src/views/cascadeselect/CascadeSelectDoc.vue
index bd887968c..a69bb6757 100644
--- a/src/views/cascadeselect/CascadeSelectDoc.vue
+++ b/src/views/cascadeselect/CascadeSelectDoc.vue
@@ -167,7 +167,7 @@ data() {
                     </tr>
                     <tr>
                         <td>optionGroupChildren</td>
-                        <td>string</td>
+                        <td>array</td>
                         <td>null</td>
                         <td>Property name or getter function to retrieve the items of a group.</td>
                     </tr>
@@ -587,4 +587,4 @@ img {
         }
     }
 }
-</script>
\ No newline at end of file
+</script>