Fix typo in component checklist (#4322)

Pretty sure `xxUsage` is a typo. 😅

src/pages/contributing/component-checklist/index.mdx

@@ -129,7 +129,7 @@ creating layouts and images for website documentation can be found in the
 
 | Requirement            | Details                                                                                                                                                                                                                                                                                                                                                | Why this matters                                                                                                                                                                                                                                                                           |
 | ---------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
-| **xxUsage docs**       | <UnorderedList><ListItem> [Single variant template](/contributing/documentation/#usage-template:-for-components-with-one-variant) _(last updated Q1 2024)_. </ListItem><ListItem> [Multiple variant template](/contributing/documentation/#usage-template:-for-components-with-multiple-variants) _(last updated 2021)_. </ListItem></UnorderedList>   | The usage documentation helps describe when to use a component and how it works.                                                                                                                                                                                                           |
+| **Usage docs**         | <UnorderedList><ListItem> [Single variant template](/contributing/documentation/#usage-template:-for-components-with-one-variant) _(last updated Q1 2024)_. </ListItem><ListItem> [Multiple variant template](/contributing/documentation/#usage-template:-for-components-with-multiple-variants) _(last updated 2021)_. </ListItem></UnorderedList>   | The usage documentation helps describe when to use a component and how it works.                                                                                                                                                                                                           |
 | **Style docs**         | <UnorderedList><ListItem> [Single variant template](/contributing/documentation/#style-template:-for-components-with-one-variant) _(last updated Q3 2024)_.</ListItem><ListItem> [Multiple variant template](/contributing/documentation/#style-template:-for-components-with-multiple-variants) _(last updated Q3 2024)_. </ListItem></UnorderedList> | The style documentation helps describe how a component looks, including visual specifications such as color, typography, structure, and size.                                                                                                                                              |
 | **Code docs**          | <UnorderedList><ListItem> [Code template](/contributing/documentation/#code-template) _(last updated 2022)_. </ListItem></UnorderedList>                                                                                                                                                                                                               | The code documentation helps developers implement the component. It includes code snippets, dependencies, and version changes. Although Carbon developers write more detailed documentation in Storybook, they still provide several standard pieces of information on the Carbon website. |
 | **Accessibility docs** | <UnorderedList><ListItem> [Accessibility template](/contributing/documentation/#accessibility-template) _(last updated 2023)_. </ListItem></UnorderedList>                                                                                                                                                                                             | The published information, written by our A11y SMEs, helps users understand all the accessibility considerations that are baked into Carbon.                                                                                                                                               |