docs(form-field/switch): fix typo (#4015)

Author: HtmAl

docs/content/3.components/form-field.md

@@ -34,7 +34,7 @@ slots:
 The label `for` attribute and the form control are associated with a unique `id` if not provided.
 ::
 
-When using the `required` prop, an asterisk is be added next to the label.
+When using the `required` prop, an asterisk is added next to the label.
 
 ::component-code
 ---

docs/content/3.components/switch.md

@@ -47,7 +47,7 @@ props:
 ---
 ::
 
-When using the `required` prop, an asterisk is be added next to the label.
+When using the `required` prop, an asterisk is added next to the label.
 
 ::component-code
 ---