diff --git a/making_noise.py b/making_noise.py
index 0f6f9e8..8baa3d0 100644
--- a/making_noise.py
+++ b/making_noise.py
@@ -90,7 +90,7 @@ class AddUniformNoise(object):
         return self.__class__.__name__ + '(mean={0}, std={1})'.format(self.mean, self.std)
 
 
-class AddInpulseNoise(object):
+class AddImpulseNoise(object):
     def __init__(self, a=0.0):
         self.value = a
 
@@ -116,7 +116,7 @@ def get_mnist_loaders(batch_size=128, test_batch_size=1000, perc=1.0):
             # AddErlangNoise(0.0001, 0.0001),
             # AddExponentialNoise(2),
             # AddUniformNoise(2, 1),
-            AddInpulseNoise(0.5),
+            AddImpulseNoise(0.5),
         ])
 
     transform_test = transforms.Compose([
@@ -152,7 +152,7 @@ def get_cifar_loaders(batch_size=128, test_batch_size=1000, perc=1.0):
             # AddErlangNoise(0.0001, 0.0001),
             # AddExponentialNoise(2),
             # AddUniformNoise(100, 1),  # CIFAR requires big a value
-            # AddInpulseNoise(0.5),
+            # AddImpulseNoise(0.5),
         ])
 
     transform_test = transforms.Compose([