diff --git a/pom.xml b/pom.xml
index 18e77ff..4b8fd53 100644
--- a/pom.xml
+++ b/pom.xml
@@ -40,7 +40,7 @@
   <repositories>
     <repository>
       <id>repo.jenkins-ci.org</id>
-      <url>http://repo.jenkins-ci.org/public/</url>
+      <url>https://repo.jenkins-ci.org/public/</url>
     </repository>
   </repositories>
 
@@ -61,7 +61,7 @@
   <pluginRepositories>
     <pluginRepository>
       <id>repo.jenkins-ci.org</id>
-      <url>http://repo.jenkins-ci.org/public/</url>
+      <url>https://repo.jenkins-ci.org/public/</url>
     </pluginRepository>
   </pluginRepositories>
 
diff --git a/src/main/java/com/amazonaws/codedeploy/AWSCodeDeployPublisher.java b/src/main/java/com/amazonaws/codedeploy/AWSCodeDeployPublisher.java
index e39fe9e..ab9e951 100644
--- a/src/main/java/com/amazonaws/codedeploy/AWSCodeDeployPublisher.java
+++ b/src/main/java/com/amazonaws/codedeploy/AWSCodeDeployPublisher.java
@@ -219,7 +219,7 @@ public void perform(@Nonnull Run<?,?> build, @Nonnull FilePath workspace, @Nonnu
             aws = AWSClients.fromIAMRole(
                 this.region,
                 this.iamRoleArn,
-                this.getDescriptor().getExternalId(),
+                this.externalId,
                 this.proxyHost,
                 this.proxyPort);
         }
@@ -523,7 +523,7 @@ public BuildStepMonitor getRequiredMonitorService() {
      * Descriptor for {@link AWSCodeDeployPublisher}. Used as a singleton.
      * The class is marked as public so that it can be accessed from views.
      *
-     * See <tt>src/main/resources/com/amazonaws/codedeploy/AWSCodeDeployPublisher/*.jelly</tt>
+     * See <code>src/main/resources/com/amazonaws/codedeploy/AWSCodeDeployPublisher/*.jelly</code>
      * for the actual HTML fragment for the configuration screen.
      */
     @Extension // This indicates to Jenkins that this is an implementation of an extension point.