Clarify language re: function arguments

Configured indicates that the function code's itself would be configured, not that it is used by an external party. Switch verb to "used" to be clearer as to how the function is being used.

Author: moshekaplan

docs/userguide/entry_point.rst

@@ -110,7 +110,7 @@ After installing the package, a user may invoke that function by simply calling
    $ hello-world
    Hello world
 
-Note that any function configured as a console script, i.e. ``hello_world()`` in
+Note that any function used as a console script, i.e. ``hello_world()`` in
 this example, should not accept any arguments. If your function requires any input
 from the user, you can use regular command-line argument parsing utilities like
 :mod:`argparse` within the body of
@@ -183,7 +183,7 @@ Now, running:
 
 will open a small application window with the title 'Hello world'.
 
-Note that just as with console scripts, any function configured as a GUI script
+Note that just as with console scripts, any function used as a GUI script
 should not accept any arguments, and any user input can be parsed within the
 body of the function. GUI scripts also use the same syntax (discussed in the
 `last section <#entry-points-syntax>`_) for specifying the function to be invoked.