doc: Update gcloud command for ADC (#406)
ADC login command for gcloud is `gcloud auth application-default auth login`
Co-authored-by: Anthonios Partheniou <partheniou@google.com>
diff --git a/docs/auth.rst b/docs/auth.rst
index a9b296d..3dcc5fd 100644
--- a/docs/auth.rst
+++ b/docs/auth.rst
@@ -165,7 +165,7 @@
getting started with the ``google-cloud-*`` library.
The simplest way to use credentials from a user account is via
-Application Default Credentials using ``gcloud auth login``
+Application Default Credentials using ``gcloud auth application-default login``
(as mentioned above) and :func:`google.auth.default`:
.. code:: python
