diff --git a/buldozer.java b/buldozer.java
index 00f5e9ad7..aaf7421a0 100644
--- a/buldozer.java
+++ b/buldozer.java
@@ -1,10 +1,10 @@
 class Bulldozer extends Machine {
     public void doWork() {
-        System.out.println("The Buldozer started working.");
+        System.out.println("The Bulldozer started working.");
     }
 
     public void stopWork() {
-        System.out.println("The Buldozer stopped working.");
+        System.out.println("The Bulldozer stopped working.");
     }
 }
 
diff --git a/main.java b/main.java
index 77053a8d5..478b1b917 100644
--- a/main.java
+++ b/main.java
@@ -1,6 +1,6 @@
 class Main {
     public static void main(String[] args) {
-        Machine[] machines = {new Truck(), new Buldozer(), new Excavator()};
+        Machine[] machines = {new Truck(), new Bulldozer(), new Excavator()};
         for (int i = 0; i < machines.length; i++) {
             machines[i].doWork();
             machines[i].stopWork();