diff --git a/keras/src/activations/activations_test.py b/keras/src/activations/activations_test.py
index a36bee12861..d88c350b171 100644
--- a/keras/src/activations/activations_test.py
+++ b/keras/src/activations/activations_test.py
@@ -638,7 +638,7 @@ def celu(x, alpha=1.0):
 
         x = np.random.random((2, 5))
         result = activations.celu(x[np.newaxis, :], alpha=0.5)[0]
-        expected = celu(x, True)
+        expected = celu(x, alpha=0.5)
         self.assertAllClose(result, expected, rtol=1e-05)
 
     def test_glu(self):
diff --git a/keras/src/ops/nn.py b/keras/src/ops/nn.py
index 954c58a1dfb..d1d1f84817c 100644
--- a/keras/src/ops/nn.py
+++ b/keras/src/ops/nn.py
@@ -607,7 +607,7 @@ def hard_tanh(x):
 
     Example:
 
-    >>> x = x = np.array([-2., -1., 0., 1., 2.])
+    >>> x = np.array([-2., -1., 0., 1., 2.])
     >>> x_hard_tanh = keras.ops.hard_tanh(x)
     >>> print(x_hard_tanh)
     array([-1. -1.  0.  1.  1.], shape=(5,), dtype=float64)