Update docs for some e2e environment variables
@@ -87,8 +87,8 @@ deploy and tear down a cluster as part of the test (this is enabled by default).
You'll need access to an Azure subscription, as well as at least the following
environment variables to be set:
-* `CLIENT_ID`: Azure client ID
-* `CLIENT_SECRET`: Azure client secret
+* `CLIENT_ID`: "name" field (a URL) from an Azure service principal
+* `CLIENT_SECRET`: "password" field from an Azure service principal
* `SUBSCRIPTION_ID`: Azure subscription UUID
* `TENANT_ID`: Azure tenant UUID
