diff --git a/java-billing/google-cloud-billing/src/main/java/com/google/cloud/billing/v1/CloudBillingClient.java b/java-billing/google-cloud-billing/src/main/java/com/google/cloud/billing/v1/CloudBillingClient.java
index ef19f98860bb..edd9f2a2dbd1 100644
--- a/java-billing/google-cloud-billing/src/main/java/com/google/cloud/billing/v1/CloudBillingClient.java
+++ b/java-billing/google-cloud-billing/src/main/java/com/google/cloud/billing/v1/CloudBillingClient.java
@@ -365,7 +365,7 @@ public final ListBillingAccountsPagedResponse listBillingAccounts(
    *   while (true) {
    *     ListBillingAccountsResponse response =
    *         cloudBillingClient.listBillingAccountsCallable().call(request);
-   *     for (BillingAccount element : response.getResponsesList()) {
+   *     for (BillingAccount element : response.getBillingAccountsList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
@@ -750,7 +750,7 @@ public final ListProjectBillingInfoPagedResponse listProjectBillingInfo(
    *   while (true) {
    *     ListProjectBillingInfoResponse response =
    *         cloudBillingClient.listProjectBillingInfoCallable().call(request);
-   *     for (ProjectBillingInfo element : response.getResponsesList()) {
+   *     for (ProjectBillingInfo element : response.getProjectBillingInfoList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
diff --git a/java-billing/google-cloud-billing/src/main/java/com/google/cloud/billing/v1/CloudCatalogClient.java b/java-billing/google-cloud-billing/src/main/java/com/google/cloud/billing/v1/CloudCatalogClient.java
index d9f489f78fcb..76d36bfa7703 100644
--- a/java-billing/google-cloud-billing/src/main/java/com/google/cloud/billing/v1/CloudCatalogClient.java
+++ b/java-billing/google-cloud-billing/src/main/java/com/google/cloud/billing/v1/CloudCatalogClient.java
@@ -247,7 +247,7 @@ public final ListServicesPagedResponse listServices(ListServicesRequest request)
    *           .build();
    *   while (true) {
    *     ListServicesResponse response = cloudCatalogClient.listServicesCallable().call(request);
-   *     for (Service element : response.getResponsesList()) {
+   *     for (Service element : response.getServicesList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();
@@ -399,7 +399,7 @@ public final UnaryCallable<ListSkusRequest, ListSkusPagedResponse> listSkusPaged
    *           .build();
    *   while (true) {
    *     ListSkusResponse response = cloudCatalogClient.listSkusCallable().call(request);
-   *     for (Sku element : response.getResponsesList()) {
+   *     for (Sku element : response.getSkusList()) {
    *       // doThingsWith(element);
    *     }
    *     String nextPageToken = response.getNextPageToken();