diff --git a/src/main/java/org/springframework/samples/petclinic/test_conflict.java b/src/main/java/org/springframework/samples/petclinic/test_conflict.java
index c38529ac4..f1a23885b 100644
--- a/src/main/java/org/springframework/samples/petclinic/test_conflict.java
+++ b/src/main/java/org/springframework/samples/petclinic/test_conflict.java
@@ -5,6 +5,6 @@ public class HelloWorld {
 
     public static void helloWorld() {
         System.out.println("Hello, World! main");
-		System.out.println("Hello, World! main");
+        System.out.println("Hello, World! main");
     }
-}
+}
\ No newline at end of file