Further update comments

chartjs · May 24, 2022 · f14b9fe · f14b9fe
1 parent 9a547e5
commit f14b9fe
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/docs/guide/developers.md b/docs/guide/developers.md
@@ -44,7 +44,7 @@ Returns whether the chart has been zoomed or panned - i.e. whether the initial s
 
 ## Custom Scales
 
-You can extend chartjs-plugin-zoom with support for [custom scales](https://www.chartjs.org/docs/latest/developers/axes.html) by using the zoom plugin's `zoomFunctions` and `panFunctions` members. These objects are indexed by scale types (scales' `id` members) and give optional handlers for zoom and pan functionality.
+You can extend chartjs-plugin-zoom with support for [custom scales](https://www.chartjs.org/docs/latest/developers/axes.html) by using the zoom plugin's `zoomFunctions`, `zoomRectFunctions`, and `panFunctions` members. These objects are indexed by scale types (scales' `id` members) and give optional handlers for zoom and pan functionality.
 
 ```js
 import {Scale} from 'chart.js';
@@ -59,8 +59,8 @@ MyScale.defaults = defaultConfigObject;
 zoomPlugin.zoomFunctions.myScale = (scale, zoom, center, limits) => false;
 zoomPlugin.zoomRectFunctions.myScale = (scale, from, to, limits) => false;
 zoomPlugin.panFunctions.myScale = (scale, delta, limits) => false;
-// zoomRectFunctions can normally be omitted; chartjs-plugin-zoom can translate
-// to an equivalent zoomFunctions call.
+// zoomRectFunctions can normally be omitted, since zooming by specific pixel
+// coordinates rarely needs special handling.
 ```
 
 The zoom, zoomRect, and pan functions take the following arguments: