more clarifications

Author: Krovatkin

advanced_source/cpp_export.rst

@@ -131,10 +131,10 @@ earlier in the tracing example. To perform this serialization, simply call
 `save <https://pytorch.org/docs/master/jit.html#torch.jit.ScriptModule.save>`_
 on the module and pass it a filename::
 
-  my_module.save("custom_model.pt")
+  traced_script_module.save("traced_resnet_model.pt")
 
-This will produce a ``custom_model.pt`` file in your working directory. 
-If you also would like to save our traced version of ``ResNet18``, call ``traced_script_module.save("traced_resnet_model.pt")``
+This will produce a ``traced_resnet_model.pt`` file in your working directory. 
+If you also would like to serialize ``my_module``, call ``my_module.save("my_module_model.pt")``
 We have now officially left the realm of Python and are ready to cross over to the sphere
 of C++.
 
@@ -288,13 +288,14 @@ distribution. If all goes well, it will look something like this:
   [100%] Linking CXX executable example-app
   [100%] Built target example-app
 
-If we supply the path to the serialized custom model ``custom_model.pt``  we created earlier
+If we supply the path to the traced ``ResNet18`` model ``traced_resnet_model.pt``  we created earlier
 to the resulting ``example-app`` binary, we should be rewarded with a friendly
-"ok":
+"ok". Please note, if try to run this example with ``my_module_model.pt`` you will get an error saying that
+your input is of an incompatible shape. ``my_module_model.pt`` expects 1D instead of 4D.
 
 .. code-block:: sh
 
-  root@4b5a67132e81:/example-app/build# ./example-app <path_to_model>/custom_model.pt
+  root@4b5a67132e81:/example-app/build# ./example-app <path_to_model>/traced_resnet_model.pt
   ok
 
 Step 4: Executing the Script Module in C++