fix typo in pull model doc

Author: timsander1

articles/cosmos-db/change-feed-pull-model.md

@@ -6,7 +6,7 @@ ms.author: tisande
 ms.service: cosmos-db
 ms.devlang: dotnet
 ms.topic: conceptual
-ms.date: 05/12/2020
+ms.date: 05/19/2020
 ms.reviewer: sngun
 ---
 
@@ -38,7 +38,7 @@ FeedIterator iteratorWithStreams = container.GetChangeFeedStreamIterator();
 Using a `FeedIterator`, you can easily process an entire container's change feed at your own pace. Here's an example:
 
 ```csharp
-FeedIterator<User> iteratorForTheEntireContainer= container.GetChangeFeedIterator<User>(new ChangeFeedRequestOptions{StartTime = DateTime.MinValue});
+FeedIterator<User> iteratorForTheEntireContainer= container.GetChangeFeedIterator<User>();
 
 while (iteratorForTheEntireContainer.HasMoreResults)
 {
@@ -53,10 +53,10 @@ while (iteratorForTheEntireContainer.HasMoreResults)
 
 ## Consuming a partition key's changes
 
-In some cases, you may only want to process a specific partition key's changes. You can obtain a `FeedIterator` for a specific partition key and process the changes the same way that you can for an entire container:
+In some cases, you may only want to process a specific partition key's changes. You can obtain a `FeedIterator` for a specific partition key and process the changes the same way that you can for an entire container.
 
 ```csharp
-FeedIterator<User> iteratorForThePartitionKey = container.GetChangeFeedIterator<User>(new PartitionKey("myPartitionKeyValueToRead"), new ChangeFeedRequestOptions{StartTime = DateTime.MinValue});
+FeedIterator<User> iteratorForThePartitionKey = container.GetChangeFeedIterator<User>(new PartitionKey("myPartitionKeyValueToRead"));
 
 while (iteratorForThePartitionKey.HasMoreResults)
 {