Update patterns.stories.mdx (#1180)

Author: samrobbins85

stories/patterns.stories.mdx

@@ -6,7 +6,7 @@ import { Meta, Story, Canvas } from '@storybook/addon-docs';
 
 ## Common DataTable Component
 
-### JavaSCript
+### JavaScript
 
 If you use React Data Table across your application and you are customizing or using custom components often you'll find you are repeating alot of code.