Update intermediate_source/_torch_export_nightly_tutorial.py

Author: svekars

intermediate_source/_torch_export_nightly_tutorial.py

@@ -466,7 +466,7 @@ def nonzero(x):
 def _(x):
     # Number of nonzero-elements is data-dependent.
     # Since we cannot peek at the data in an abstract implementation,
-    # we use the `ctx` object to construct a new symint that
+    # we use the `ctx` object to construct a new ``symint`` that
     # represents the data-dependent size.
     ctx = torch.library.get_ctx()
     nnz = ctx.new_dynamic_size()