誤字の修正：彩度 satuation → saturation

Author: ics-ikeda

docs/color_hsl.md

@@ -81,8 +81,8 @@ for (var i = 0; i < MAX; i++) {
 var MAX = 20;
 for (var i = 0; i < MAX; i++) {
   // HSLカラーを算出
-  var satuation = i * (100 / MAX);
-  var color = "hsl(0, " + satuation + "%, 50%)";
+  var saturation = i * (100 / MAX);
+  var color = "hsl(0, " + saturation + "%, 50%)";
   // (省略)
 }
 ```

samples/color_hsl_dots_satuation.html

@@ -18,8 +18,8 @@
         stage.addChild(shape);
 
         // HSLカラーを算出
-        var satuation = i * (100 / MAX);
-        var color = "hsl(0, " + satuation + "%, 50%)";
+        var saturation = i * (100 / MAX);
+        var color = "hsl(0, " + saturation + "%, 50%)";
 
         var x = i * (stage.canvas.width / MAX) + 15;
         var y = stage.canvas.height / 2;