Fix typo (#351)

Co-authored-by: Enigma <monster@localhost.localdomain>

04_mnist_basics.ipynb

@@ -3607,7 +3607,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "We already have our dependent variables `x`—these are the images themselves. We'll concatenate them all into a single tensor, and also change them from a list of matrices (a rank-3 tensor) to a list of vectors (a rank-2 tensor). We can do this using `view`, which is a PyTorch method that changes the shape of a tensor without changing its contents. `-1` is a special parameter to `view` that means \"make this axis as big as necessary to fit all the data\":"
+    "We already have our independent variables `x`—these are the images themselves. We'll concatenate them all into a single tensor, and also change them from a list of matrices (a rank-3 tensor) to a list of vectors (a rank-2 tensor). We can do this using `view`, which is a PyTorch method that changes the shape of a tensor without changing its contents. `-1` is a special parameter to `view` that means \"make this axis as big as necessary to fit all the data\":"
    ]
   },
   {