diff --git a/google/cloud/pubsub_v1/gapic/publisher_client.py b/google/cloud/pubsub_v1/gapic/publisher_client.py
index 1a981fefa..d59c247af 100644
--- a/google/cloud/pubsub_v1/gapic/publisher_client.py
+++ b/google/cloud/pubsub_v1/gapic/publisher_client.py
@@ -349,11 +349,13 @@ def update_topic(
             >>>
             >>> client = pubsub_v1.PublisherClient()
             >>>
-            >>> # TODO: Initialize `topic`:
-            >>> topic = {}
+            >>> topic_name = 'projects/my-project/topics/my-topic'
+            >>> topic_labels = {'source': 'external'}
+            >>> topic = {'name': topic_name, 'labels': topic_labels}
             >>>
-            >>> # TODO: Initialize `update_mask`:
-            >>> update_mask = {}
+            >>> paths_element = 'labels'
+            >>> paths = [paths_element]
+            >>> update_mask = {'paths': paths}
             >>>
             >>> response = client.update_topic(topic, update_mask)
 
diff --git a/google/cloud/pubsub_v1/gapic/subscriber_client.py b/google/cloud/pubsub_v1/gapic/subscriber_client.py
index e98a686bf..502f11a7f 100644
--- a/google/cloud/pubsub_v1/gapic/subscriber_client.py
+++ b/google/cloud/pubsub_v1/gapic/subscriber_client.py
@@ -525,7 +525,11 @@ def update_subscription(
             >>> client = pubsub_v1.SubscriberClient()
             >>>
             >>> ack_deadline_seconds = 42
-            >>> subscription = {'ack_deadline_seconds': ack_deadline_seconds}
+            >>> subscription_name = 'projects/my-project/subscriptions/my-subscription'
+            >>> subscription = {
+            ...    'name': subscription_name,
+            ...    'ack_deadline_seconds': ack_deadline_seconds,
+            ... }
             >>> paths_element = 'ack_deadline_seconds'
             >>> paths = [paths_element]
             >>> update_mask = {'paths': paths}
@@ -1493,7 +1497,11 @@ def update_snapshot(
             >>>
             >>> seconds = 123456
             >>> expire_time = {'seconds': seconds}
-            >>> snapshot = {'expire_time': expire_time}
+            >>> snapshot_name = 'projects/my-project/snapshots/my-snapshot'
+            >>> snapshot = {
+            ...    'name': snapshot_name,
+            ...    'expire_time': expire_time,
+            ... }
             >>> paths_element = 'expire_time'
             >>> paths = [paths_element]
             >>> update_mask = {'paths': paths}
diff --git a/synth.py b/synth.py
index 645b7955b..9e475e781 100644
--- a/synth.py
+++ b/synth.py
@@ -14,6 +14,8 @@
 
 """This script is used to synthesize generated parts of this library."""
 
+import textwrap
+
 import synthtool as s
 from synthtool import gcp
 
@@ -183,6 +185,60 @@ def _merge_dict(d1, d2):
     "from google.iam.v1 import iam_policy_pb2_grpc as iam_policy_pb2",
 )
 
+# Fix incomplete docstring examples.
+s.replace(
+    "google/cloud/pubsub_v1/gapic/subscriber_client.py",
+    r"\s+>>> subscription = \{'ack_deadline_seconds': ack_deadline_seconds\}",
+    textwrap.indent(
+        """
+>>> subscription_name = 'projects/my-project/subscriptions/my-subscription'
+>>> subscription = {
+...    'name': subscription_name,
+...    'ack_deadline_seconds': ack_deadline_seconds,
+... }""",
+        prefix=" " * 12,
+    )
+)
+
+s.replace(
+    "google/cloud/pubsub_v1/gapic/subscriber_client.py",
+    r"\s+>>> snapshot = \{'expire_time': expire_time\}",
+    textwrap.indent(
+        """
+>>> snapshot_name = 'projects/my-project/snapshots/my-snapshot'
+>>> snapshot = {
+...    'name': snapshot_name,
+...    'expire_time': expire_time,
+... }""",
+        prefix=" " * 12,
+    )
+)
+
+s.replace(
+    "google/cloud/pubsub_v1/gapic/publisher_client.py",
+    r"\s+>>> # TODO: Initialize `topic`:\n\s+>>> topic = \{\}\n",
+    textwrap.indent(
+        """
+>>> topic_name = 'projects/my-project/topics/my-topic'
+>>> topic_labels = {'source': 'external'}
+>>> topic = {'name': topic_name, 'labels': topic_labels}
+""",
+        prefix=" " * 12,
+    ),
+)
+
+s.replace(
+    "google/cloud/pubsub_v1/gapic/publisher_client.py",
+    r"\s+>>> # TODO: Initialize `update_mask`:\n\s+>>> update_mask = \{\}\n",
+    textwrap.indent(
+        """
+>>> paths_element = 'labels'
+>>> paths = [paths_element]
+>>> update_mask = {'paths': paths}
+""",
+        prefix=" " * 12,
+    ),
+)
 
 # ----------------------------------------------------------------------------
 # Add templated files