diff --git a/content/docs/reference-react-component.md b/content/docs/reference-react-component.md
index a7ee595d..24d5f6ff 100644
--- a/content/docs/reference-react-component.md
+++ b/content/docs/reference-react-component.md
@@ -216,7 +216,7 @@ componentWillUpdate(nextProps, nextState)
 
 `componentWillUpdate()` is invoked immediately before rendering when new props or state are being received. Use this as an opportunity to perform preparation before an update occurs. This method is not called for the initial render.
 
-Note that you cannot call `this.setState()` here. If you need to update state in response to a prop change, use `componentWillReceiveProps()` instead.
+Note that you cannot call `this.setState()` here; nor should you do anything else (eg dispatch a redux action) that would trigger an update to a React component before `componentWillUpdate` returns. Use `componentWillReceiveProps()` if you need to update `state` in response to `props` changes.
 
 > Note
 >