docs: Fix typo (#1639)

Co-authored-by: Holly Sweeney <77758406+holly1238@users.noreply.github.com>

Author: HanzTantiangco

beginner_source/blitz/cifar10_tutorial.py

@@ -22,7 +22,7 @@
 
 Specifically for vision, we have created a package called
 ``torchvision``, that has data loaders for common datasets such as
-Imagenet, CIFAR10, MNIST, etc. and data transformers for images, viz.,
+ImageNet, CIFAR10, MNIST, etc. and data transformers for images, viz.,
 ``torchvision.datasets`` and ``torch.utils.data.DataLoader``.
 
 This provides a huge convenience and avoids writing boilerplate code.