Update 05-maximum-number-of-jsx-root-nodes.md

docs/tips/05-maximum-number-of-jsx-root-nodes.md

@@ -9,4 +9,4 @@ next: style-props-value-px.html
 
 Currently, in a component's `render`, you can only return one node; if you have, say, a list of `div`s to return, you must wrap your components within a `div`, `span` or any other component.
 
-Don't forget that JSX compiles into regular js; returning two functions doesn't really make syntactic sense. Likewise, don't put more than one child in a ternary.
+Don't forget that JSX compiles into regular JS; returning two functions doesn't really make syntactic sense. Likewise, don't put more than one child in a ternary.