diff --git a/aws-greengrass-core-sdk-java-master/samples/HelloWorld/src/main/java/com/amazonaws/greengrass/examples/HelloWorld.java b/aws-greengrass-core-sdk-java-master/samples/HelloWorld/src/main/java/com/amazonaws/greengrass/examples/HelloWorld.java
index 5837b31f2..b07b616c3 100644
--- a/aws-greengrass-core-sdk-java-master/samples/HelloWorld/src/main/java/com/amazonaws/greengrass/examples/HelloWorld.java
+++ b/aws-greengrass-core-sdk-java-master/samples/HelloWorld/src/main/java/com/amazonaws/greengrass/examples/HelloWorld.java
@@ -33,6 +33,7 @@ public String handleRequest(Object input, Context context) {
     }
 }
 
+// test PR
 class PublishHelloWorld extends TimerTask {
     private IotDataClient iotDataClient = new IotDataClient();
     private String publishMessage = String.format("Hello world! Sent from Greengrass Core running on platform: %s-%s using Java", System.getProperty("os.name"), System.getProperty("os.version"));
diff --git a/aws-sdk-java-v2-master/http-clients/apache-client/src/main/java/software/amazon/awssdk/http/apache/ApacheHttpClient.java b/aws-sdk-java-v2-master/http-clients/apache-client/src/main/java/software/amazon/awssdk/http/apache/ApacheHttpClient.java
index 7855ba50b..f52b9db23 100644
--- a/aws-sdk-java-v2-master/http-clients/apache-client/src/main/java/software/amazon/awssdk/http/apache/ApacheHttpClient.java
+++ b/aws-sdk-java-v2-master/http-clients/apache-client/src/main/java/software/amazon/awssdk/http/apache/ApacheHttpClient.java
@@ -114,6 +114,7 @@ public final class ApacheHttpClient implements SdkHttpClient {
     private final ApacheHttpRequestConfig requestConfig;
     private final AttributeMap resolvedOptions;
 
+    // code change to fix the bug
     @SdkTestInternalApi
     ApacheHttpClient(ConnectionManagerAwareHttpClient httpClient,
                      ApacheHttpRequestConfig requestConfig,
diff --git a/aws-toolkit-eclipse-master/bundles/com.amazonaws.eclipse.sdk.ui/samples/AmazonEC2SpotInstances-GettingStarted/Requests.java b/aws-toolkit-eclipse-master/bundles/com.amazonaws.eclipse.sdk.ui/samples/AmazonEC2SpotInstances-GettingStarted/Requests.java
index 9b9cc3180..c95d1ba96 100644
--- a/aws-toolkit-eclipse-master/bundles/com.amazonaws.eclipse.sdk.ui/samples/AmazonEC2SpotInstances-GettingStarted/Requests.java
+++ b/aws-toolkit-eclipse-master/bundles/com.amazonaws.eclipse.sdk.ui/samples/AmazonEC2SpotInstances-GettingStarted/Requests.java
@@ -77,7 +77,7 @@ private void init() throws Exception {
 
         ec2 = AmazonEC2ClientBuilder.standard()
             .withCredentials(new AWSStaticCredentialsProvider(credentials))
-            .withRegion("us-west-2")
+            .withRegion(Regions.US-WEST-2)
             .build();
     }