docs: typo fix

Author: arjunattam

docs/upload-download.md

@@ -8,7 +8,7 @@
 await page.setInputFiles('input#upload', 'myfile.pdf');
 ```
 
-You can select input files for upload using the `page.setInputFiles` method. It expects first arcument to point to an [input element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input) with the type `"file"`. Multiple files can be passed in the array. If some of the file paths are relative, they are resolved relative to the [current working directory](https://nodejs.org/api/process.html#process_process_cwd). Empty array clears the selected files.
+You can select input files for upload using the `page.setInputFiles` method. It expects first argument to point to an [input element](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input) with the type `"file"`. Multiple files can be passed in the array. If some of the file paths are relative, they are resolved relative to the [current working directory](https://nodejs.org/api/process.html#process_process_cwd). Empty array clears the selected files.
 
 #### Variations