Update docs (#291)

diff --git a/docs/dyn/dataflow_v1b3.projects.templates.html b/docs/dyn/dataflow_v1b3.projects.templates.html
index 51148ab..27e4783 100644
--- a/docs/dyn/dataflow_v1b3.projects.templates.html
+++ b/docs/dyn/dataflow_v1b3.projects.templates.html
@@ -124,6 +124,7 @@
         "experiments": [ # The list of experiments to enable.
           "A String",
         ],
+        "serviceAccountEmail": "A String", # Identity to run virtual machines as. Defaults to the default account.
         "sdkPipelineOptions": { # The Dataflow SDK pipeline options specified by the user. These options are passed through the service and are used to recreate the SDK pipeline options on the worker in a language agnostic and platform independent way.
           "a_key": "", # Properties of the object.
         },