Merge pull request #34 from XanaduAI/fix_link

fixed link in readme

README.rst

@@ -64,7 +64,7 @@ To test that the PennyLane ProjectQ plugin is working correctly you can run
 
 in the source folder. Tests restricted to a specific device can be run by executing :code:`make test-simulator`, :code:`make test-ibm`, or :code:`make test-classical`.
 
-.. note:: Tests on the `ibm device <https://pennylane-pq.readthedocs.io/en/latest/devices.html#projectqibmbackend>`_ can only be run if a :code:`user` and :code:`password` for the `IBM Q experience <https://quantumexperience.ng.bluemix.net/qx/experience>`_ are configured in the `PennyLane configuration file <https://pennylane.readthedocs.io/configuration.html>`_. If this is the case, running :code:`make test` also executes tests on the :code:`ibm` device. By default tests on the :code:`ibm` device run with :code:`hardware=False`. At the time of writing this means that the test are "free". Please verify that this is also the case for your account.
+.. note:: Tests on the `ibm device <https://pennylane-pq.readthedocs.io/en/latest/devices.html#projectqibmbackend>`_ can only be run if a :code:`user` and :code:`password` for the `IBM Q experience <https://quantumexperience.ng.bluemix.net/qx/experience>`_ are configured in the `PennyLane configuration file <https://pennylane.readthedocs.io/en/latest/code/configuration.html>`_. If this is the case, running :code:`make test` also executes tests on the :code:`ibm` device. By default tests on the :code:`ibm` device run with :code:`hardware=False`. At the time of writing this means that the test are "free". Please verify that this is also the case for your account.
 
 .. installation-end-inclusion-marker-do-not-remove
 .. gettingstarted-start-inclusion-marker-do-not-remove