diff --git a/samples/metricscaler/README.rst b/samples/metricscaler/README.rst
index 2f32c8754..1a99119ab 100644
--- a/samples/metricscaler/README.rst
+++ b/samples/metricscaler/README.rst
@@ -31,7 +31,10 @@ credentials for applications.
 Install Dependencies
 ++++++++++++++++++++
 
-#. Install `pip`_ and `virtualenv`_ if you do not already have them.
+#. Install `pip`_ and `virtualenv`_ if you do not already have them. You may want to refer to the `Python Development Environment Setup Guide`_ for Google Cloud Platform for instructions.
+
+ .. _Python Development Environment Setup Guide:
+     https://cloud.google.com/python/setup
 
 #. Create a virtualenv. Samples are compatible with Python 2.7 and 3.4+.