docs

docs/scales.md

@@ -72,7 +72,7 @@ To map qualitative data to *reverse* color scheme
 
 ```js
 var categorical_to_colorscheme = g1.scale(data, {
-    domain: [], // if left empty, first categorical value will be mapped to first color of range
+    domain: [], // if left empty, first categorical value will be mapped to first color from range
     scale: 'Ordinal',
     range: {
         scheme: 'schemePurples',