chore: fix typo in min/maxscale attributes

Author: mojoaxel

src/plots/geo/layout_attributes.js

@@ -184,7 +184,7 @@ var attrs = module.exports = overrideAll({
             dflt: 0,
             description: [
                 'Minimal zoom level of the map view.',
-                'A minScale of *0.5* (50%) corresponds to a zoom level',
+                'A minscale of *0.5* (50%) corresponds to a zoom level',
                 'where the map has half the size of base zoom level.'
             ].join(' ')
         },
@@ -195,7 +195,7 @@ var attrs = module.exports = overrideAll({
             dflt: -1,
             description: [
                 'Maximal zoom level of the map view.',
-                'A maxScale of *2* (200%) corresponds to a zoom level',
+                'A maxscale of *2* (200%) corresponds to a zoom level',
                 'where the map is twice as big as the base layer.'
             ].join(' ')
         },