diff --git a/packages/google-cloud-bigquery-datatransfer/README.rst b/packages/google-cloud-bigquery-datatransfer/README.rst
index c0d4feeb02a7..f07173871c82 100644
--- a/packages/google-cloud-bigquery-datatransfer/README.rst
+++ b/packages/google-cloud-bigquery-datatransfer/README.rst
@@ -10,7 +10,7 @@ SaaS applications to Google BigQuery on a scheduled, managed basis.
 - `Product Documentation`_
 
 .. |GA| image:: https://img.shields.io/badge/support-GA-gold.svg
-   :target: https://github.com/googleapis/google-cloud-python/blob/master/README.rst#general-availability
+   :target: https://github.com/googleapis/google-cloud-python/blob/main/README.rst#general-availability
 .. |pypi| image:: https://img.shields.io/pypi/v/google-cloud-bigquery-datatransfer.svg
    :target: https://pypi.org/project/google-cloud-bigquery-datatransfer/
 .. |versions| image:: https://img.shields.io/pypi/pyversions/google-cloud-bigquery-datatransfer.svg