fix contour copypasta from filters

src/traces/contour/attributes.js

@@ -190,17 +190,17 @@ module.exports = extendFlat({
  dflt: '=',
  editType: 'calc',
  description: [
- 'Sets the filter operation.',
+ 'Sets the constraint operation.',
 
- '*=* keeps items equal to `value`',
+ '*=* keeps regions equal to `value`',
 
- '*<* and *<=* keep items less than `value`',
+ '*<* and *<=* keep regions less than `value`',
 
- '*>* and *>=* keep items greater than `value`',
+ '*>* and *>=* keep regions greater than `value`',
 
- '*[]*, *()*, *[)*, and *(]* keep items inside `value[0]` to `value[1]`',
+ '*[]*, *()*, *[)*, and *(]* keep regions inside `value[0]` to `value[1]`',
 
- '*][*, *)(*, *](*, *)[* keep items outside `value[0]` to value[1]`',
+ '*][*, *)(*, *](*, *)[* keep regions outside `value[0]` to value[1]`',
 
  'Open vs. closed intervals make no difference to constraint display, but',
  'all versions are allowed for consistency with filter transforms.'
@@ -212,22 +212,16 @@ module.exports = extendFlat({
  role: 'info',
  editType: 'calc',
  description: [
- 'Sets the value or values by which to filter by.',
-
- 'Values are expected to be in the same type as the data linked',
- 'to *target*.',
+ 'Sets the value or values of the constraint boundary.',
 
  'When `operation` is set to one of the comparison values',
  '(' + COMPARISON_OPS2 + ')',
- '*value* is expected to be a number or a string.',
+ '*value* is expected to be a number.',
 
- 'When `operation` is set to one of the interval value',
+ 'When `operation` is set to one of the interval values',
  '(' + INTERVAL_OPS + ')',
- '*value* is expected to be 2-item array where the first item',
- 'is the lower bound and the second item is the upper bound.',
-
- 'Open vs. closed intervals make no difference to constraint display, but',
- 'all versions are allowed for consistency with filter transforms.'
+ '*value* is expected to be an array of two numbers where the first',
+ 'is the lower bound and the second is the upper bound.',
  ].join(' ')
  },
  editType: 'calc',