docs: fix typos in README files (#1642)

README.md

@@ -108,7 +108,7 @@ runSample().catch(console.error);
 There are a lot of [samples](https://github.com/googleapis/google-api-nodejs-client/tree/master/samples) 🤗  If you're trying to figure out how to use an API ... look there first! If there's a sample you need missing, feel free to file an [issue][bugs].
 
 ### API Reference
-This library has a full set of [API Reference Documenation](https://apis-nodejs.firebaseapp.com/). This documentation is auto-generated, and the location may change.
+This library has a full set of [API Reference Documentation](https://apis-nodejs.firebaseapp.com/). This documentation is auto-generated, and the location may change.
 
 ## Authentication and authorization
 The are three primary ways to authenticate to Google APIs. Some service support all authentication methods, other may only support one or two.

samples/drive/README.md

@@ -4,7 +4,7 @@ These samples allow you to list, download, and upload files from Google Drive.
 
 ## Running the samples
 
-### **Note: Node.js version 8 or greater is requared to run samples.**
+### **Note: Node.js version 8 or greater is required to run samples.**
 Set the following values in `oauth2.keys.json` (up one directory):
 
 * `client_id`