docs: webpack casing

Co-authored-by: Charly Gomez <charly.gomez@sentry.io>

Author: logaretm

docs/platforms/javascript/guides/nextjs/configuration/tree-shaking.mdx

@@ -11,7 +11,7 @@ If you want to minimize the bundle size of the Sentry SDK, we recommend reading
 
 <Alert>
 
-This guide is only relevant if you're using Webpack to build your Next.js application. Tree-shaking options are not supported for Turbopack builds at the moment.
+This guide is only relevant if you're using webpack to build your Next.js application. Tree-shaking options are not supported for Turbopack builds at the moment.
 
 </Alert>