diff --git a/docs/content/amazonclouddrive.md b/docs/content/amazonclouddrive.md
index fbabdd7f5..f500bf243 100644
--- a/docs/content/amazonclouddrive.md
+++ b/docs/content/amazonclouddrive.md
@@ -175,4 +175,5 @@ This means that larger files are likely to fail.
 Unfortunatly there is no way for rclone to see that this failure is 
 because of file size, so it will retry the operation, as any other
 failure. To avoid this problem, use `--max-size 50000M` option to limit
-the maximum size of uploaded files.
+the maximum size of uploaded files. Note that `--max-size` does not split
+files into segments, it only ignores files over this size.