diff --git a/README.md b/README.md
index 26590f7..d3450b5 100644
--- a/README.md
+++ b/README.md
@@ -12,13 +12,14 @@ View [live demo](http://wwalc.github.io/chart/).
 ## Installation
 
 1. Put the plugin into the CKEditor "plugins" folder.
-2. Enable the plugin with `config.extraPlugins`
+2. Enable the plugin with `config.extraPlugins`.
 3. Add the `Chart` button to the toolbar if it will not appear automatically.
 
-
-    CKEDITOR.replace( 'editor1', {
-        extraPlugins: 'chart'
-    }
+<pre>
+CKEDITOR.replace( 'editor1', {
+    extraPlugins: 'chart'
+}
+</pre>
 
 In case of any problems with installation, there is [an online sample](http://wwalc.github.io/chart/sample.html) available that should help you get started.
 
@@ -28,6 +29,68 @@ Chart created in CKEditor is represented as a simple `<div>` element with data a
 
 To convert `<div>` elements into charts, include `chart.min.js` and `widget2chart.js` on your website. See the [online sample](http://wwalc.github.io/chart/sample.html).
 
+## Configuration Options
+
+### config.chart_height
+
+The default chart height (in pixels) in the Edit Chart dialog window.
+
+	config.chart_height = 400;
+
+### config.chart_maxItems
+
+The number of rows (items to enter) in the Edit Chart dialog window.
+
+	config.chart_maxItems = 12;
+
+### config.chart_colors
+
+Colors used to draw charts. See <a href="http://www.chartjs.org/docs/#bar-chart-data-structure">Bar chart data structure</a> and
+<a href="http://www.chartjs.org/docs/#doughnut-pie-chart-data-structure">Pie chart data structure</a>.
+
+<pre>
+config.chart_colors =
+{
+	// Colors for Bar/Line chart.
+	fillColor: 'rgba(151,187,205,0.5)',
+	strokeColor: 'rgba(151,187,205,0.8)',
+	highlightFill: 'rgba(151,187,205,0.75)',
+	highlightStroke: 'rgba(151,187,205,1)',
+	// Colors for Doughnut/Pie/PolarArea charts.
+	data: [ '#B33131', '#B66F2D', '#B6B330', '#71B232', '#33B22D', '#31B272', '#2DB5B5', '#3172B6', '#3232B6', '#6E31B2', '#B434AF', '#B53071' ]
+}
+</pre>
+
+### config.chart_configBar
+
+Chart.js configuration to use for Bar charts.
+
+	config.chart_configBar = { animation: false };
+
+### config.chart_configDoughnut
+
+Chart.js configuration to use for Doughnut charts.
+
+	config.chart_configDoughnut = { animateRotate: false };
+
+### config.chart_configLine
+
+Chart.js configuration to use for Line charts.
+
+	config.chart_configLine = { animation: false };
+
+### config.chart_configPie
+
+Chart.js configuration to use for Pie charts.
+
+	config.chart_configPie = { animateRotate: false };
+
+### config.chart_configPolarArea
+
+Chart.js configuration to use for PolarArea charts.
+
+	config.chart_configPolarArea = { animateRotate: false };
+
 ## Screenshot
 
 ![Charts in CKEditor](http://s10.postimg.org/efvmb3fmh/chartjs.png)