Small fixes to README.md (GoogleCloudPlatform#1139)

marciw · Jon Wayne Parrott · commit b2d417f69256 · 2017-09-27T08:57:49.000-07:00
1. gcloud alpha should be gcloud beta
2. --pubsub-topic should be --event-pubsub-topic 
3. Updated the link to the docs
4. Added info about the Publisher role for the Pub/Sub topic
diff --git a/iot/api-client/README.md b/iot/api-client/README.md
@@ -3,29 +3,29 @@ This folder contains Python samples that demonstrate an overview of the
 Google Cloud IoT Core platform.
 
 ## Quickstart
-1. Install the gCloud CLI as described in [the device manager guide](https://cloud.google.com/iot/docs/device_manager_guide).
+1. Install the gCloud CLI as described in [the Cloud IoT Core documentation](https://cloud.google.com/iot/docs/how-tos/getting-started#set_up_the_google_cloud_sdk_and_gcloud).
 2. Create a PubSub topic:
 
     gcloud beta pubsub topics create projects/my-iot-project/topics/device-events
 
-3. Add the service account `cloud-iot@system.gserviceaccount.com` to that
+3. Add the service account `cloud-iot@system.gserviceaccount.com` with the role `Publisher` to that
 PubSub topic from the [Cloud Developer Console](https://console.cloud.google.com)
 or by using the helper script in the /scripts folder.
 
 4. Create a registry:
 
-    gcloud alpha iot registries create my-registry \
+    gcloud beta iot registries create my-registry \
         --project=my-iot-project \
         --region=us-central1 \
-        --pubsub-topic=projects/my-iot-project/topics/device-events
+        --event-pubsub-topic=projects/my-iot-project/topics/device-events
 
 5. Use the `generate_keys.sh` script to generate your signing keys:
 
     ./generate_keys.sh
 
 6. Register a device:
 
-    gcloud alpha iot devices create my-python-device \
+    gcloud beta iot devices create my-python-device \
         --project=my-iot-project \
         --region=us-central1 \
         --registry=my-registry \
