diff --git a/src/display/api.js b/src/display/api.js
index 20c78009e..f5b0a9f75 100644
--- a/src/display/api.js
+++ b/src/display/api.js
@@ -1169,7 +1169,8 @@ class PDFDocumentProxy {
  * Page render parameters.
  *
  * @typedef {Object} RenderParameters
- * @property {Object} canvasContext - A 2D context of a DOM Canvas object.
+ * @property {CanvasRenderingContext2D} canvasContext - A 2D context of a DOM
+ *   Canvas object.
  * @property {PageViewport} viewport - Rendering viewport obtained by calling
  *   the `PDFPageProxy.getViewport` method.
  * @property {string} [intent] - Rendering intent, can be 'display', 'print',