OVERVIEW.md in google-apis-discovery_v1-0.6.0 vs OVERVIEW.md in google-apis-discovery_v1-0.7.0

@@ -58,11 +58,11 @@
 
 ## Documentation
 
 More detailed descriptions of the Google simple REST clients are available in two documents.
 
- *  The [Usage Guide](https://github.com/googleapis/google-api-ruby-client/blob/master/docs/usage-guide.md) discusses how to make API calls, how to use the provided data structures, and how to work the various features of the client library, including media upload and download, error handling, retries, pagination, and logging.
- *  The [Auth Guide](https://github.com/googleapis/google-api-ruby-client/blob/master/docs/auth-guide.md) discusses authentication in the client libraries, including API keys, OAuth 2.0, service accounts, and environment variables.
+ *  The [Usage Guide](https://github.com/googleapis/google-api-ruby-client/blob/main/docs/usage-guide.md) discusses how to make API calls, how to use the provided data structures, and how to work the various features of the client library, including media upload and download, error handling, retries, pagination, and logging.
+ *  The [Auth Guide](https://github.com/googleapis/google-api-ruby-client/blob/main/docs/auth-guide.md) discusses authentication in the client libraries, including API keys, OAuth 2.0, service accounts, and environment variables.
 
 (Note: the above documents are written for the simple REST clients in general, and their examples may not reflect the Discovery service in particular.)
 
 For reference information on specific calls in the API Discovery Service, see the {Google::Apis::DiscoveryV1::DiscoveryService class reference docs}.