diff --git a/packages/ckeditor5-utils/src/dom/rect.ts b/packages/ckeditor5-utils/src/dom/rect.ts
index 3d867d247ce..d45326de96f 100644
--- a/packages/ckeditor5-utils/src/dom/rect.ts
+++ b/packages/ckeditor5-utils/src/dom/rect.ts
@@ -371,7 +371,7 @@ export default class Rect {
 	}
 
 	/**
-	 * Calculates absolute `Rect` coordinates.
+	 * Recalculates screen coordinates to coordinates relative to the positioned ancestor offset.
 	 */
 	public toAbsoluteRect(): Rect {
 		const { scrollX, scrollY } = global.window;