Merge pull request #1563 from sitogi/fix/htmlfor-value

Author: noobinthisgame

content/docs/components/form-control/usage.mdx

@@ -44,7 +44,7 @@ import {
 
 ```jsx
 <FormControl as='fieldset'>
-  <FormLabel as='legend' htmlFor={null}>
+  <FormLabel as='legend'>
     Favorite Naruto Character
   </FormLabel>
   <RadioGroup defaultValue='Itachi'>