Fix typo (#36592)

## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have helpful link attached, see `contributing.md`

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
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## Documentation / Examples

- [ ] Make sure the linting passes by running `yarn lint`

Author: ro11ingbutler

examples/with-mongodb/pages/index.js

@@ -226,7 +226,7 @@ export async function getServerSideProps(context) {
   try {
     await clientPromise
     // `await clientPromise` will use the default database passed in the MONGODB_URI
-    // However you can use another database (e.g. myDatabase) by replacing the `await clientPromise` with the folloing code:
+    // However you can use another database (e.g. myDatabase) by replacing the `await clientPromise` with the following code:
     //
     // `const client = await clientPromise`
     // `const db = client.db("myDatabase")`