fix syntax error in test and update docs

Author: jemorrison

docs/jwst/cube_build/arguments.rst

@@ -17,16 +17,6 @@ each band will be created.
   ``cube_build``, it sets ``pipeline=2``. When running stand-alone or in
   :ref:`calwebb_spec3 <calwebb_spec3>` pipeline, the parameter ``pipeline=3`` is set for ``cube_build``.
 
-  - ``pipeline=2`` sets up the rules for making :ref:`calwebb_spec2 <calwebb_spec2>` pipeline type cubes. For NIRSpec data the default
-    rules produce cubes with a single grating and filter and  with a linear wavelength dimension. For MIRI data
-    the default rules produce a single IFU cube containing the two channels in the input data with a non-linear
-    wavelength dimension. In both cases, the input filename  suffix ``cal`` is replaced with ``s3d``.
-
-  - ``pipeline=3`` setups up the results for making :ref:`calwebb_spec3 <calwebb_spec3>` pipeline type cubes. For NIRSpec data
-    the default rules will produce a single IFU cube from the same grating and filter, while for MIRI data a single
-    IFU cube is created for each channel and band. In both cases, the output IFU cube will contain the grating and
-    filter name (NIRSpec) or channel and band (MIRI).
-
 ``channel [string]``
   This is a MIRI only option and the valid values are 1, 2, 3, 4, and ALL.
   If the ``channel`` argument is given, then only data corresponding to that channel will be used in

jwst/regtest/test_miri_mrs_spec2.py

@@ -42,7 +42,7 @@ def run_spec2(rtdata_module):
         "--steps.photom.save_results=true",
         "--steps.resample_spec.save_results=true",
         "--steps.cube_build.save_results=true",
-        "--steps.cube_build.output_type='multi",
+        "--steps.cube_build.output_type='multi'",
         "--steps.extract_1d.save_results=true",
     ]
     Step.from_cmdline(args)