Fix cross-reference

Author: jessegrabowski

doc/gallery/rewrites/graph_rewrites.ipynb

@@ -648,7 +648,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Here we used {func}`pytensor.graph.rewriting.basic.in2out` which creates a {class}`GraphRewriter` (specifically a {class}`WalkingGraphRewriter`) which walks from the inputs to the outputs of a FunctionGraph trying to apply whatever nodes are \"registered\" in it.\n",
+    "Here we used {func}`in2out` which creates a {class}`GraphRewriter` (specifically a {class}`WalkingGraphRewriter`) which walks from the inputs to the outputs of a FunctionGraph trying to apply whatever nodes are \"registered\" in it.\n",
     "\n",
     "Wrapping simple functions in {class}`NodeRewriter`s is so common that PyTensor offers a decorator for it.\n",
     "\n",