diff --git a/packages/google-cloud-dialogflow-cx/protos/google/cloud/dialogflow/cx/v3beta1/deployment.proto b/packages/google-cloud-dialogflow-cx/protos/google/cloud/dialogflow/cx/v3beta1/deployment.proto
index 5018a5c6d19..580c753ea15 100644
--- a/packages/google-cloud-dialogflow-cx/protos/google/cloud/dialogflow/cx/v3beta1/deployment.proto
+++ b/packages/google-cloud-dialogflow-cx/protos/google/cloud/dialogflow/cx/v3beta1/deployment.proto
@@ -59,7 +59,7 @@ service Deployments {
   }
 }
 
-// Represents an deployment in an environment. A deployment happens when a flow
+// 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, etc.
diff --git a/packages/google-cloud-dialogflow-cx/protos/google/cloud/dialogflow/cx/v3beta1/session.proto b/packages/google-cloud-dialogflow-cx/protos/google/cloud/dialogflow/cx/v3beta1/session.proto
index 3634bc925ec..0d1f3c31c2a 100644
--- a/packages/google-cloud-dialogflow-cx/protos/google/cloud/dialogflow/cx/v3beta1/session.proto
+++ b/packages/google-cloud-dialogflow-cx/protos/google/cloud/dialogflow/cx/v3beta1/session.proto
@@ -711,7 +711,7 @@ message AudioInput {
   InputAudioConfig config = 1 [(google.api.field_behavior) = REQUIRED];
 
   // The natural language speech audio to be processed.
-  // A single request can contain up to 1 minute of speech audio data.
+  // A single request can contain up to 2 minutes of speech audio data.
   // The [transcribed
   // text][google.cloud.dialogflow.cx.v3beta1.QueryResult.transcript] cannot
   // contain more than 256 bytes.