diff --git a/dash_canvas/DashCanvas.py b/dash_canvas/DashCanvas.py
index 3b1de03..ace0c11 100644
--- a/dash_canvas/DashCanvas.py
+++ b/dash_canvas/DashCanvas.py
@@ -11,7 +11,7 @@ class DashCanvas(Component):
 Keyword arguments:
 - id (string; optional): The ID used to identify this component in Dash callbacks
 - image_content (string; default ''): Image data string, formatted as png or jpg data string. Can be
-generated by utils.io_utils.array_to_data_string.
+generated by dash_canvas.utils.io_utils.array_to_data_url.
 - zoom (number; default 1): Zoom factor
 - width (number; default 500): Width of the canvas
 - height (number; default 500): Height of the canvas