diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2/search_service.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2/search_service.proto
index 27cd38f9aa1..4522d546621 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2/search_service.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2/search_service.proto
@@ -572,21 +572,23 @@ message SearchResponse {
     // string or double values with type
     // [google.protobuf.ListValue][google.protobuf.ListValue]. For example, if
     // there are two variants with colors "red" and "blue", the rollup values
-    // are { key: "colorFamilies"
-    //   value {
-    //     list_value {
-    //       values { string_value: "red" }
-    //       values { string_value: "blue" }
-    //      }
-    //   }
-    // }
+    // are
+    //
+    //     { key: "colorFamilies"
+    //       value {
+    //         list_value {
+    //           values { string_value: "red" }
+    //           values { string_value: "blue" }
+    //          }
+    //       }
+    //     }
     //
     // For
     // [Product.fulfillment_info][google.cloud.retail.v2.Product.fulfillment_info],
     // the rollup values is a double value with type
-    // [google.protobuf.Value][google.protobuf.Value]. For example, {key:
-    // "pickupInStore.store1" value { number_value: 10 }} means a there are 10
-    // variants in this product are available in the store "store1".
+    // [google.protobuf.Value][google.protobuf.Value]. For example:
+    // `{key: "pickupInStore.store1" value { number_value: 10 }}` means a there
+    // are 10 variants in this product are available in the store "store1".
     map<string, google.protobuf.Value> variant_rollup_values = 5;
   }
 
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2alpha/search_service.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2alpha/search_service.proto
index df0cd86a14a..109b9399233 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2alpha/search_service.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2alpha/search_service.proto
@@ -609,21 +609,23 @@ message SearchResponse {
     // string or double values with type
     // [google.protobuf.ListValue][google.protobuf.ListValue]. For example, if
     // there are two variants with colors "red" and "blue", the rollup values
-    // are { key: "colorFamilies"
-    //   value {
-    //     list_value {
-    //       values { string_value: "red" }
-    //       values { string_value: "blue" }
-    //      }
-    //   }
-    // }
+    // are
+    //
+    //     { key: "colorFamilies"
+    //       value {
+    //         list_value {
+    //           values { string_value: "red" }
+    //           values { string_value: "blue" }
+    //          }
+    //       }
+    //     }
     //
     // For
     // [Product.fulfillment_info][google.cloud.retail.v2alpha.Product.fulfillment_info],
     // the rollup values is a double value with type
-    // [google.protobuf.Value][google.protobuf.Value]. For example, {key:
-    // "pickupInStore.store1" value { number_value: 10 }} means a there are 10
-    // variants in this product are available in the store "store1".
+    // [google.protobuf.Value][google.protobuf.Value]. For example,
+    // `{key: "pickupInStore.store1" value { number_value: 10 }}` means a there
+    // are 10 variants in this product are available in the store "store1".
     map<string, google.protobuf.Value> variant_rollup_values = 5;
   }
 
diff --git a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/search_service.proto b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/search_service.proto
index 2647c7e0b66..41f5836057f 100644
--- a/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/search_service.proto
+++ b/packages/google-cloud-retail/protos/google/cloud/retail/v2beta/search_service.proto
@@ -578,21 +578,23 @@ message SearchResponse {
     // string or double values with type
     // [google.protobuf.ListValue][google.protobuf.ListValue]. For example, if
     // there are two variants with colors "red" and "blue", the rollup values
-    // are { key: "colorFamilies"
-    //   value {
-    //     list_value {
-    //       values { string_value: "red" }
-    //       values { string_value: "blue" }
-    //      }
-    //   }
-    // }
+    // are
+    //
+    //     { key: "colorFamilies"
+    //       value {
+    //         list_value {
+    //           values { string_value: "red" }
+    //           values { string_value: "blue" }
+    //          }
+    //       }
+    //     }
     //
     // For
     // [Product.fulfillment_info][google.cloud.retail.v2beta.Product.fulfillment_info],
     // the rollup values is a double value with type
-    // [google.protobuf.Value][google.protobuf.Value]. For example, {key:
-    // "pickupInStore.store1" value { number_value: 10 }} means a there are 10
-    // variants in this product are available in the store "store1".
+    // [google.protobuf.Value][google.protobuf.Value]. For example,
+    // `{key: "pickupInStore.store1" value { number_value: 10 }}` means a there
+    // are 10 variants in this product are available in the store "store1".
     map<string, google.protobuf.Value> variant_rollup_values = 5;
   }