Fix quotes

documentation/sphinx_static/bandpass.rst

@@ -27,7 +27,7 @@ and they are roughly the procedure followed when writing the
    is available.
 4. Write down simple outline of new code to implement within
    ``initialize``, ``work_on_current_iteration`` and ``finalize``.
-5. Create a new :code:``git`` branch to work on, :code:`feature/<mypptool>`.
+5. Create a new :code:`git` branch to work on, :code:`feature/<mypptool>`.
 6. One option is to start from preexisting tools such as :code:`get_rfields`
    and modify them accordingly.
    In particular simple standard modifications must be made to the :code:`PP.py`