doc: update button.mdx

Fixed camelCase to kebab-case.

Author: ZigaVukcevicDev

website/pages/button.mdx

@@ -126,7 +126,7 @@ Pass `isLoading` prop to the Button component to show it's loading state. You ca
 In event you need to make your own custom button, you can leverage the `PseudoBox` component. It provides the `hover`, `focus`, `active` and `disabled` style props to style the button.
 
 ```vue live=true
-<c-pseudoBox
+<c-pseudo-box
   as="button"
   height="24px"
   line-height="1.2"
@@ -142,7 +142,7 @@ In event you need to make your own custom button, you can leverage the `PseudoBo
   :_active="{ bg: 'tomato' }"
 >
   Join Group
-</c-pseudoBox>
+</c-pseudo-box>
 ```
 
 ## Props