diff --git a/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettings.java b/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettings.java
index d890a139e7ef..ec3be50b102f 100644
--- a/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettings.java
+++ b/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettings.java
@@ -2869,9 +2869,10 @@ public com.google.protobuf.ByteString getDeidentifyTemplateBytes() {
    * Retains data in interaction logging for the specified number of days.
    * This does not apply to Cloud logging, which is owned by the user - not
    * Dialogflow.
-   * User must set a value lower than Dialogflow's default 365d TTL (time to
-   * live). Setting a value higher than that has no effect. A missing value or
-   * setting to 0 also means we use Dialogflow's default TTL.
+   * User must set a value lower than Dialogflow's default 365d TTL (30 days
+   * for Agent Assist traffic), higher value will be ignored and use default.
+   * Setting a value higher than that has no effect. A missing value or
+   * setting to 0 also means we use default TTL.
    * </pre>
    *
    * <code>int32 retention_window_days = 6;</code>
@@ -2889,9 +2890,10 @@ public boolean hasRetentionWindowDays() {
    * Retains data in interaction logging for the specified number of days.
    * This does not apply to Cloud logging, which is owned by the user - not
    * Dialogflow.
-   * User must set a value lower than Dialogflow's default 365d TTL (time to
-   * live). Setting a value higher than that has no effect. A missing value or
-   * setting to 0 also means we use Dialogflow's default TTL.
+   * User must set a value lower than Dialogflow's default 365d TTL (30 days
+   * for Agent Assist traffic), higher value will be ignored and use default.
+   * Setting a value higher than that has no effect. A missing value or
+   * setting to 0 also means we use default TTL.
    * </pre>
    *
    * <code>int32 retention_window_days = 6;</code>
@@ -4626,9 +4628,10 @@ public Builder setDeidentifyTemplateBytes(com.google.protobuf.ByteString value)
      * Retains data in interaction logging for the specified number of days.
      * This does not apply to Cloud logging, which is owned by the user - not
      * Dialogflow.
-     * User must set a value lower than Dialogflow's default 365d TTL (time to
-     * live). Setting a value higher than that has no effect. A missing value or
-     * setting to 0 also means we use Dialogflow's default TTL.
+     * User must set a value lower than Dialogflow's default 365d TTL (30 days
+     * for Agent Assist traffic), higher value will be ignored and use default.
+     * Setting a value higher than that has no effect. A missing value or
+     * setting to 0 also means we use default TTL.
      * </pre>
      *
      * <code>int32 retention_window_days = 6;</code>
@@ -4645,9 +4648,10 @@ public boolean hasRetentionWindowDays() {
      * Retains data in interaction logging for the specified number of days.
      * This does not apply to Cloud logging, which is owned by the user - not
      * Dialogflow.
-     * User must set a value lower than Dialogflow's default 365d TTL (time to
-     * live). Setting a value higher than that has no effect. A missing value or
-     * setting to 0 also means we use Dialogflow's default TTL.
+     * User must set a value lower than Dialogflow's default 365d TTL (30 days
+     * for Agent Assist traffic), higher value will be ignored and use default.
+     * Setting a value higher than that has no effect. A missing value or
+     * setting to 0 also means we use default TTL.
      * </pre>
      *
      * <code>int32 retention_window_days = 6;</code>
@@ -4667,9 +4671,10 @@ public int getRetentionWindowDays() {
      * Retains data in interaction logging for the specified number of days.
      * This does not apply to Cloud logging, which is owned by the user - not
      * Dialogflow.
-     * User must set a value lower than Dialogflow's default 365d TTL (time to
-     * live). Setting a value higher than that has no effect. A missing value or
-     * setting to 0 also means we use Dialogflow's default TTL.
+     * User must set a value lower than Dialogflow's default 365d TTL (30 days
+     * for Agent Assist traffic), higher value will be ignored and use default.
+     * Setting a value higher than that has no effect. A missing value or
+     * setting to 0 also means we use default TTL.
      * </pre>
      *
      * <code>int32 retention_window_days = 6;</code>
@@ -4690,9 +4695,10 @@ public Builder setRetentionWindowDays(int value) {
      * Retains data in interaction logging for the specified number of days.
      * This does not apply to Cloud logging, which is owned by the user - not
      * Dialogflow.
-     * User must set a value lower than Dialogflow's default 365d TTL (time to
-     * live). Setting a value higher than that has no effect. A missing value or
-     * setting to 0 also means we use Dialogflow's default TTL.
+     * User must set a value lower than Dialogflow's default 365d TTL (30 days
+     * for Agent Assist traffic), higher value will be ignored and use default.
+     * Setting a value higher than that has no effect. A missing value or
+     * setting to 0 also means we use default TTL.
      * </pre>
      *
      * <code>int32 retention_window_days = 6;</code>
diff --git a/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsOrBuilder.java b/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsOrBuilder.java
index 751ef8a48d43..f31762a5b6bd 100644
--- a/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsOrBuilder.java
+++ b/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/java/com/google/cloud/dialogflow/cx/v3beta1/SecuritySettingsOrBuilder.java
@@ -250,9 +250,10 @@ public interface SecuritySettingsOrBuilder
    * Retains data in interaction logging for the specified number of days.
    * This does not apply to Cloud logging, which is owned by the user - not
    * Dialogflow.
-   * User must set a value lower than Dialogflow's default 365d TTL (time to
-   * live). Setting a value higher than that has no effect. A missing value or
-   * setting to 0 also means we use Dialogflow's default TTL.
+   * User must set a value lower than Dialogflow's default 365d TTL (30 days
+   * for Agent Assist traffic), higher value will be ignored and use default.
+   * Setting a value higher than that has no effect. A missing value or
+   * setting to 0 also means we use default TTL.
    * </pre>
    *
    * <code>int32 retention_window_days = 6;</code>
@@ -267,9 +268,10 @@ public interface SecuritySettingsOrBuilder
    * Retains data in interaction logging for the specified number of days.
    * This does not apply to Cloud logging, which is owned by the user - not
    * Dialogflow.
-   * User must set a value lower than Dialogflow's default 365d TTL (time to
-   * live). Setting a value higher than that has no effect. A missing value or
-   * setting to 0 also means we use Dialogflow's default TTL.
+   * User must set a value lower than Dialogflow's default 365d TTL (30 days
+   * for Agent Assist traffic), higher value will be ignored and use default.
+   * Setting a value higher than that has no effect. A missing value or
+   * setting to 0 also means we use default TTL.
    * </pre>
    *
    * <code>int32 retention_window_days = 6;</code>
diff --git a/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/security_settings.proto b/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/security_settings.proto
index b108b55f6144..bcb11f4fa2d9 100644
--- a/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/security_settings.proto
+++ b/java-dialogflow-cx/proto-google-cloud-dialogflow-cx-v3beta1/src/main/proto/google/cloud/dialogflow/cx/v3beta1/security_settings.proto
@@ -326,9 +326,10 @@ message SecuritySettings {
     // Retains data in interaction logging for the specified number of days.
     // This does not apply to Cloud logging, which is owned by the user - not
     // Dialogflow.
-    // User must set a value lower than Dialogflow's default 365d TTL (time to
-    // live). Setting a value higher than that has no effect. A missing value or
-    // setting to 0 also means we use Dialogflow's default TTL.
+    // User must set a value lower than Dialogflow's default 365d TTL (30 days
+    // for Agent Assist traffic), higher value will be ignored and use default.
+    // Setting a value higher than that has no effect. A missing value or
+    // setting to 0 also means we use default TTL.
     int32 retention_window_days = 6;
   }