diff --git a/README.md b/README.md
index 95dfaf11..a3e5c454 100644
--- a/README.md
+++ b/README.md
@@ -52,7 +52,8 @@ schema. That's what `tableNodes` is for:
    Creates a [plugin](http://prosemirror.net/docs/ref/#state.Plugin)
    that, when added to an editor, enables cell-selection, handles
    cell-based copy/paste, and makes sure tables stay well-formed (each
-   row has the same width, and cells don't overlap).
+   row has the same width, and cells don't overlap). Make sure you load 
+   `style/tables.css` (or define your own styling for the tables).
 
    You should probably put this plugin near the end of your array of
    plugins, since it handles mouse and arrow key events in tables