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This commit corrects typos in the ISISPowder-Polaris documentation, It also replaces a print statement in Polaris with a logger.warning.

docs/source/techniques/ISISPowder-Polaris-v1.rst

@@ -168,9 +168,9 @@ The *create_total_scattering_pdf* method allows a user to create a Pair Distribu
 from focused POLARIS data, with a view performing further total scattering analysis.
 
 With no merging criteria specified, *merge_banks=False* a PDF will be generated for each bank within
-the focused_workspace. The type of PDF output can be set with the kayword argument `pdf_type`, with the
+the focused_workspace. The type of PDF output can be set with the keyword argument `pdf_type`, with the
 option of `G(r)`, `g(r)`, `RDF(r)` (defaults to `G(r)`). If run with *merge_banks=True* a PDF will be
-generated based on the wighted sum of the detector banks performed using supplied Q limits
+generated based on the weighted sum of the detector banks performed using supplied Q limits
 *q_lims=q_limits*, Q_limits can be in the form of a numpy array with shape (2, x) where x is the number
 of detectors, or a string containing the directory of an appropriately formatted `.lim` file.
 

scripts/Diffraction/isis_powder/polaris.py

@@ -10,6 +10,7 @@ import os
 from isis_powder.routines import absorb_corrections, common, instrument_settings
 from isis_powder.abstract_inst import AbstractInst
 from isis_powder.polaris_routines import polaris_advanced_config, polaris_algs, polaris_param_mapping
+from mantid.kernel import logger
 
 
 class Polaris(AbstractInst):
@@ -53,7 +54,7 @@ class Polaris(AbstractInst):
             kwargs['q_lims'] = None
         if 'pdf_type' not in kwargs or not kwargs['pdf_type'] in ['G(r)', 'g(r)', 'RDF(r)']:
             kwargs['pdf_type'] = 'G(r)'
-            print('PDF type not specified or is invalid, defaulting to G(r)')
+            logger.warning('PDF type not specified or is invalid, defaulting to G(r)')
         self._inst_settings.update_attributes(kwargs=kwargs)
         # Generate pdf
         run_details = self._get_run_details(self._inst_settings.run_number)