diff --git a/core-java-modules/core-java-io-3/src/main/java/com/baeldung/copydirectory/JavaNio.java b/core-java-modules/core-java-io-3/src/main/java/com/baeldung/copydirectory/JavaNio.java
index fe1eb59c64..b574042ee5 100644
--- a/core-java-modules/core-java-io-3/src/main/java/com/baeldung/copydirectory/JavaNio.java
+++ b/core-java-modules/core-java-io-3/src/main/java/com/baeldung/copydirectory/JavaNio.java
@@ -9,14 +9,14 @@ public class JavaNio {
 
     public static void copyDirectory(String sourceDirectoryLocation, String destinationDirectoryLocation) throws IOException {
         Files.walk(Paths.get(sourceDirectoryLocation))
-            .forEach(source -> {
-                Path destination = Paths.get(destinationDirectoryLocation, source.toString()
-                    .substring(sourceDirectoryLocation.length()));
-                try {
-                    Files.copy(source, destination);
-                } catch (IOException e) {
-                    e.printStackTrace();
-                }
-            });
+          .forEach(source -> {
+              Path destination = Paths.get(destinationDirectoryLocation, source.toString()
+                .substring(sourceDirectoryLocation.length()));
+              try {
+                  Files.copy(source, destination);
+              } catch (IOException e) {
+                  e.printStackTrace();
+              }
+          });
     }
 }