diff --git a/google/cloud/dialogflowcx_v3/services/deployments/async_client.py b/google/cloud/dialogflowcx_v3/services/deployments/async_client.py
index e1606481..15675b63 100644
--- a/google/cloud/dialogflowcx_v3/services/deployments/async_client.py
+++ b/google/cloud/dialogflowcx_v3/services/deployments/async_client.py
@@ -399,7 +399,7 @@ async def sample_get_deployment():
 
         Returns:
             google.cloud.dialogflowcx_v3.types.Deployment:
-                Represents an deployment in an
+                Represents a deployment in an
                 environment. A deployment happens when a
                 flow version configured to be active in
                 the environment. You can configure
diff --git a/google/cloud/dialogflowcx_v3/services/deployments/client.py b/google/cloud/dialogflowcx_v3/services/deployments/client.py
index 2d9f78ad..c97a4f95 100644
--- a/google/cloud/dialogflowcx_v3/services/deployments/client.py
+++ b/google/cloud/dialogflowcx_v3/services/deployments/client.py
@@ -704,7 +704,7 @@ def sample_get_deployment():
 
         Returns:
             google.cloud.dialogflowcx_v3.types.Deployment:
-                Represents an deployment in an
+                Represents a deployment in an
                 environment. A deployment happens when a
                 flow version configured to be active in
                 the environment. You can configure
diff --git a/google/cloud/dialogflowcx_v3/services/deployments/transports/rest.py b/google/cloud/dialogflowcx_v3/services/deployments/transports/rest.py
index 05d5a8dd..48a75e61 100644
--- a/google/cloud/dialogflowcx_v3/services/deployments/transports/rest.py
+++ b/google/cloud/dialogflowcx_v3/services/deployments/transports/rest.py
@@ -384,7 +384,7 @@ def __call__(
 
             Returns:
                 ~.deployment.Deployment:
-                    Represents an deployment in an
+                    Represents a deployment in an
                 environment. A deployment happens when a
                 flow version configured to be active in
                 the environment. You can configure
diff --git a/google/cloud/dialogflowcx_v3/types/deployment.py b/google/cloud/dialogflowcx_v3/types/deployment.py
index e1ede854..3a2215a0 100644
--- a/google/cloud/dialogflowcx_v3/types/deployment.py
+++ b/google/cloud/dialogflowcx_v3/types/deployment.py
@@ -34,7 +34,7 @@
 
 
 class Deployment(proto.Message):
-    r"""Represents an deployment in an environment. A deployment
+    r"""Represents a deployment in an environment. A deployment
     happens when a flow version configured to be active in the
     environment. You can configure running pre-deployment steps,
     e.g. running validation test cases, experiment auto-rollout,
diff --git a/google/cloud/dialogflowcx_v3/types/session.py b/google/cloud/dialogflowcx_v3/types/session.py
index ff760d0b..7c2be730 100644
--- a/google/cloud/dialogflowcx_v3/types/session.py
+++ b/google/cloud/dialogflowcx_v3/types/session.py
@@ -1009,8 +1009,8 @@ class AudioInput(proto.Message):
             to process the speech audio.
         audio (bytes):
             The natural language speech audio to be processed. A single
-            request can contain up to 1 minute of speech audio data. The
-            [transcribed
+            request can contain up to 2 minutes of speech audio data.
+            The [transcribed
             text][google.cloud.dialogflow.cx.v3.QueryResult.transcript]
             cannot contain more than 256 bytes.