diff --git a/src/main/java/core/basesyntax/Bulldozer.java b/src/main/java/core/basesyntax/Bulldozer.java
index 05344d5e5..90db0561d 100644
--- a/src/main/java/core/basesyntax/Bulldozer.java
+++ b/src/main/java/core/basesyntax/Bulldozer.java
@@ -1,6 +1,6 @@
 package core.basesyntax;
 
-public class Bulldozer extends Machine{
+public class Bulldozer extends Machine {
     @Override
     public void doWork() {
         System.out.println("Bulldozer started its work");
diff --git a/src/main/java/core/basesyntax/Excavator.java b/src/main/java/core/basesyntax/Excavator.java
index 67bac9636..f77696f83 100644
--- a/src/main/java/core/basesyntax/Excavator.java
+++ b/src/main/java/core/basesyntax/Excavator.java
@@ -1,6 +1,6 @@
 package core.basesyntax;
 
-public class Excavator extends Machine{
+public class Excavator extends Machine {
     @Override
     public void doWork() {
         System.out.println("Excavator started its work");
diff --git a/src/main/java/core/basesyntax/Truck.java b/src/main/java/core/basesyntax/Truck.java
index 56741e11e..48a4f04f2 100644
--- a/src/main/java/core/basesyntax/Truck.java
+++ b/src/main/java/core/basesyntax/Truck.java
@@ -1,6 +1,6 @@
 package core.basesyntax;
 
-public class Truck extends Machine{
+public class Truck extends Machine {
     @Override
     public void doWork() {
         System.out.println("Truck started its work");