Update docs/02_pytorch_classification.ipynb

Fix typo

Author: CarterT27

docs/02_pytorch_classification.ipynb

@@ -2391,7 +2391,7 @@
     "\n",
     "PyTorch has a bunch of [ready-made non-linear activation functions](https://pytorch.org/docs/stable/nn.html#non-linear-activations-weighted-sum-nonlinearity) that do similiar but different things. \n",
     "\n",
-    "One of the most common and best performing is [ReLU](https://en.wikipedia.org/wiki/Rectifier_(neural_networks) (rectified linear-unit, [`torch.nn.ReLU()`](https://pytorch.org/docs/stable/generated/torch.nn.ReLU.html)).\n",
+    "One of the most common and best performing is [ReLU](https://en.wikipedia.org/wiki/Rectifier_(neural_networks)) (rectified linear-unit, [`torch.nn.ReLU()`](https://pytorch.org/docs/stable/generated/torch.nn.ReLU.html)).\n",
     "\n",
     "Rather than talk about it, let's put it in our neural network between the hidden layers in the forward pass and see what happens."
    ]