Follow these instructions link corrected (#3790)

Author: elisheva-qlogic

google-cloud-pubsub/README.md

@@ -60,7 +60,7 @@ For this tutorial, you will need a
 [Google Developers Console](https://console.developers.google.com/) project with the Pub/Sub API
 enabled. You will need to [enable billing](https://support.google.com/cloud/answer/6158867?hl=en) to
 use Google Cloud Pub/Sub.
-[Follow these instructions](https://cloud.google.com/docs/authentication#preparation) to get your
+[Follow these instructions](https://cloud.google.com/resource-manager/docs/creating-managing-projects) to get your
 project set up. You will also need to set up the local development environment by [installing the
 Google Cloud SDK](https://cloud.google.com/sdk/) and running the following commands in command line:
 `gcloud auth login` and `gcloud config set project [YOUR PROJECT ID]`.