Fix typo in examples/downloader.py
diff --git a/examples/downloader.py b/examples/downloader.py
index 919aa7348..8a0be5001 100644
--- a/examples/downloader.py
+++ b/examples/downloader.py
@@ -61,7 +61,7 @@ def copy_url(task_id: TaskID, url: str, path: str) -> None:
 
 
 def download(urls: Iterable[str], dest_dir: str):
-    """Download multuple files to the given directory."""
+    """Download multiple files to the given directory."""
 
     with progress:
         with ThreadPoolExecutor(max_workers=4) as pool:

## Type of changes

- [ ] Bug fix
- [ ] New feature
- [ ] Documentation / docstrings
- [ ] Tests
- [x] Other

## Checklist

- [ ] I've run the latest [black](https://github.com/psf/black) with default args on new code.
- [ ] I've updated CHANGELOG.md and CONTRIBUTORS.md where appropriate.
- [ ] I've added tests for new code.
- [ ] I accept that @willmcgugan may be pedantic in the code review.

## Description

Please describe your changes here. If this fixes a bug, please link to the issue, if possible.
