diff --git a/src/main/java/org/openrewrite/jenkins/UpgradeJavaVersion.java b/src/main/java/org/openrewrite/jenkins/UpgradeJavaVersion.java
index 98e89e7..e4ea24c 100644
--- a/src/main/java/org/openrewrite/jenkins/UpgradeJavaVersion.java
+++ b/src/main/java/org/openrewrite/jenkins/UpgradeJavaVersion.java
@@ -54,8 +54,8 @@ public String getDescription() {
     public TreeVisitor<?, ExecutionContext> getVisitor() {
         return Preconditions.check(new FindSourceFiles("**/Jenkinsfile"), new GroovyIsoVisitor<ExecutionContext>() {
             @Override
-            public J.Assignment visitAssignment(J.Assignment assignment, ExecutionContext executionContext) {
-                J.Assignment a = super.visitAssignment(assignment, executionContext);
+            public J.Assignment visitAssignment(J.Assignment assignment, ExecutionContext ctx) {
+                J.Assignment a = super.visitAssignment(assignment, ctx);
                 if (!(a.getVariable() instanceof J.Identifier) || !(a.getAssignment() instanceof J.Literal)) {
                     return a;
                 }
diff --git a/src/test/java/org/openrewrite/jenkins/UpgradeJavaVersionTest.java b/src/test/java/org/openrewrite/jenkins/UpgradeJavaVersionTest.java
index 45dcc13..d3f8939 100644
--- a/src/test/java/org/openrewrite/jenkins/UpgradeJavaVersionTest.java
+++ b/src/test/java/org/openrewrite/jenkins/UpgradeJavaVersionTest.java
@@ -16,23 +16,26 @@
 package org.openrewrite.jenkins;
 
 import org.junit.jupiter.api.Test;
+import org.openrewrite.DocumentExample;
 import org.openrewrite.test.RecipeSpec;
 import org.openrewrite.test.RewriteTest;
 
 import static org.openrewrite.groovy.Assertions.groovy;
 
-public class UpgradeJavaVersionTest implements RewriteTest {
+class UpgradeJavaVersionTest implements RewriteTest {
 
     @Override
     public void defaults(RecipeSpec spec) {
         spec.recipe(new UpgradeJavaVersion(17, null));
     }
 
+    @DocumentExample
     @Test
     void openJdk() {
         rewriteRun(
           //language=groovy
-          groovy("""
+          groovy(
+                """
               #!/usr/bin/env groovy
               
               stage("Checkout") {
@@ -61,7 +64,8 @@ void jdk() {
         rewriteRun(
           spec -> spec.recipe(new UpgradeJavaVersion(17, "openjdk")),
           //language=groovy
-          groovy("""
+          groovy(
+                """
               node('cicd-build') {
                   stage ("Titan") {
                       titan {