diff --git a/docs/ref-03-component-specs.md b/docs/ref-03-component-specs.md
index 2ad0bbbc..d9c2e86f 100644
--- a/docs/ref-03-component-specs.md
+++ b/docs/ref-03-component-specs.md
@@ -121,7 +121,7 @@ Invoked once, both on the client and server, immediately before the initial rend
 componentDidMount()
 ```
 
-Invoked once, only on the client (not on the server), immediately after the initial rendering occurs. At this point in the lifecycle, the component has a DOM representation which you can access via `React.findDOMNode(this)`.
+Invoked once, only on the client (not on the server), immediately after the initial rendering occurs. At this point in the lifecycle, the component has a DOM representation which you can access via `React.findDOMNode(this)`. The `componentDidMount()` method of child components is invoked before that of parent components.
 
 If you want to integrate with other JavaScript frameworks, set timers using `setTimeout` or `setInterval`, or send AJAX requests, perform those operations in this method.