Update note label

content/docs/components-and-props.md

@@ -85,9 +85,7 @@ Let's recap what happens in this example:
 3. Our `Welcome` component returns a `<h1>Hello, Sara</h1>` element as the result.
 4. React DOM efficiently updates the DOM to match `<h1>Hello, Sara</h1>`.
 
->**Caveat:**
->
->Always start component names with a capital letter.
+>**Note:** Always start component names with a capital letter.
 >
 >React treats components starting with lowercase letters as DOM tags. For example, `<div />` represents an HTML div tag, but `<Welcome />` represents a component and requires `Welcome` to be in scope.
 >