docs: minor comment update

PiperOrigin-RevId: 512725339

Source-Link: googleapis/googleapis@ea8d826

Source-Link: googleapis/googleapis-gen@dc453f7
Copy-Tag: eyJwIjoiYXBpcy9Hb29nbGUuQ2xvdWQuQmlnUXVlcnkuRGF0YVRyYW5zZmVyLlYxLy5Pd2xCb3QueWFtbCIsImgiOiJkYzQ1M2Y3NzAyY2Q0ZDM5OGZlNTc3MzExODA0YWVhMWFkMjA1MWRhIn0=

apis/Google.Cloud.BigQuery.DataTransfer.V1/Google.Cloud.BigQuery.DataTransfer.V1/Datatransfer.g.cs

@@ -2907,7 +2907,7 @@ public sealed partial class CreateTransferConfigRequest : pb::IMessage<CreateTra
     public const int ServiceAccountNameFieldNumber = 6;
     private string serviceAccountName_ = "";
     /// <summary>
-    /// Optional service account name. If this field is set, the transfer config
+    /// Optional service account email. If this field is set, the transfer config
     /// will be created with this service account's credentials. It requires that
     /// the requesting user calling this API has permissions to act as this service
     /// account.
@@ -3306,7 +3306,7 @@ public sealed partial class UpdateTransferConfigRequest : pb::IMessage<UpdateTra
     public const int ServiceAccountNameFieldNumber = 6;
     private string serviceAccountName_ = "";
     /// <summary>
-    /// Optional service account name. If this field is set, the transfer config
+    /// Optional service account email. If this field is set, the transfer config
     /// will be created with this service account's credentials. It requires that
     /// the requesting user calling this API has permissions to act as this service
     /// account.