finish up width config documentation

Author: DanielGoldfarb

examples/widths.ipynb

@@ -101,9 +101,9 @@ def _determine_width_config( xdates, config ):
         width_config['candle_width'    ] = _dfinterpolate(_widths,datalen,'cw' ) * adjust
         width_config['candle_linewidth'] = _dfinterpolate(_widths,datalen,'clw')
 
-    if config['scale_width_config'] is not None:
+    if config['scale_width_adjustment'] is not None:
 
-        scale = _process_kwargs(config['scale_width_config'],_valid_scale_width_kwargs())
+        scale = _process_kwargs(config['scale_width_adjustment'],_valid_scale_width_kwargs())
         if scale['volume'] is not None:
             width_config['volume_width'] *= scale['volume']
         if scale['ohlc'] is not None:

src/mplfinance/_widths.py

@@ -218,7 +218,7 @@ def _valid_plot_kwargs():
         'width_adjuster_version'    : { 'Default'     : 'v1',
                                         'Validator'   : lambda value: value in ('v0', 'v1') },
 
-        'scale_width_config'        : { 'Default'     : None,
+        'scale_width_adjustment'    : { 'Default'     : None,
                                         'Validator'   : lambda value: isinstance(value,dict) and len(value) > 0 },
 
         'update_width_config'       : { 'Default'     : None,