diff --git a/README.md b/README.md
index b1ac086..ca49b73 100644
--- a/README.md
+++ b/README.md
@@ -82,7 +82,7 @@ The device pixel ratio of the chart. This will multiply the number of pixels by
 The output format of the chart. Defaults to "png"
 
 #### Version: string
-Chart.js version (not required)
+Chart.js version.  See [documentation](https://quickchart.io/documentation/#parameters) for supported versions.
 
 #### Key: string
 API key (not required)