feat(checkbox): changed a word in the text

src/components/checkbox/Checkbox.stories.mdx

@@ -8,7 +8,7 @@ import { ExampleContainer } from 'common/containers';
 
 Checkboxes are used when you want to provide the user with a choice between one or more options (that could be optional). There are no stylistic choices, so just go for a regular old checkbox.
 
-The checkbox takes a default checked value and handles checked with internal state. If you need to trigger some effect based on the state of the checkbox you can pass a function to onChange, onChange also gives the checked state as a argument to the callback.
+This checkbox takes a default checked value and handles checked with internal state. If you need to trigger some effect based on the state of the checkbox you can pass a function to onChange, onChange also gives the checked state as a argument to the callback.
 
 <Preview>
   <Story name="All">