diff --git a/examples/java/src/main/java/com/xebia/functional/xef/java/auto/PDFDocument.java b/examples/java/src/main/java/com/xebia/functional/xef/java/auto/PDFDocument.java
index 71f9f8f88..58b0fb68e 100644
--- a/examples/java/src/main/java/com/xebia/functional/xef/java/auto/PDFDocument.java
+++ b/examples/java/src/main/java/com/xebia/functional/xef/java/auto/PDFDocument.java
@@ -18,18 +18,18 @@ public static class AIResponse {
         public String source;
     }
 
-    private static final String pdfUrl = "https://people.cs.ksu.edu/~schmidt/705a/Scala/Programming-in-Scala.pdf";
+    private static final String PDF_URL = "https://people.cs.ksu.edu/~schmidt/705a/Scala/Programming-in-Scala.pdf";
     private static final BufferedReader sysin = new BufferedReader(new InputStreamReader(System.in));
 
     private static CompletableFuture<Void> askQuestion(AIScope scope) {
-        System.out.println("Enter your question: ");
+        System.out.println("Enter your question (<return> to exit): ");
 
         String line = readLine();
         if (line == null || line.isBlank()) {
             return CompletableFuture.completedFuture(null);
         } else {
             scope.prompt(line, AIResponse.class)
-                    .thenAccept((aiRes) -> System.out.println(aiRes.answer + "\n---\n" +
+                    .thenAccept(aiRes -> System.out.println(aiRes.answer + "\n---\n" +
                             aiRes.source + "\n---\n"));
 
             return askQuestion(scope);
@@ -39,7 +39,7 @@ private static CompletableFuture<Void> askQuestion(AIScope scope) {
     public static void main(String[] args) throws ExecutionException, InterruptedException {
         TextSplitter textSplitter = TokenTextSplitter(ModelType.getDEFAULT_SPLITTER_MODEL(), 100, 50);
         try (AIScope scope = new AIScope()) {
-            scope.contextScope(scope.pdf(pdfUrl, textSplitter).get(), PDFDocument::askQuestion).get();
+            scope.contextScope(scope.pdf(PDF_URL, textSplitter).get(), PDFDocument::askQuestion).get();
         }
     }