Emphasis on single child.

chenglou · zpao · commit 5cdc55664d96 · 2013-07-11T15:58:53.000-07:00
(cherry picked from commit 8583779)
diff --git a/docs/docs/api.md b/docs/docs/api.md
@@ -50,7 +50,7 @@ React.createClass({
 function createClass(object specification)
 ```
 
-Creates a component given a specification. A component implements a `render` method which returns a single child. That child may have an arbitrarily deep child structure. One thing that makes components different than a standard prototypal classes is that you don't need to call new on them. They are convenience wrappers that construct backing instances (via new) for you.
+Creates a component given a specification. A component implements a `render` method which returns **one single** child. That child may have an arbitrarily deep child structure. One thing that makes components different than a standard prototypal classes is that you don't need to call new on them. They are convenience wrappers that construct backing instances (via new) for you.
 
 #### React.renderComponent
 
