diff --git a/README.md b/README.md
index 95950cd..5e659d1 100644
--- a/README.md
+++ b/README.md
@@ -5,4 +5,3 @@ Clone this repo and run `npm install` then simply open `index.html`.
 Click World to see the onClick event fire.
 
 Noteworthy npm package is steal-jsx
-also please remember that you need to put the "!" after any non js files.
diff --git a/package.json b/package.json
index 75ce7bd..505e7f0 100644
--- a/package.json
+++ b/package.json
@@ -11,16 +11,13 @@
   "dependencies": {
     "react": "^0.14.8",
     "react-dom": "^0.14.8",
-    "steal": "^0.15.3"
+    "steal": "^0.16.4",
+    "steal-jsx": "0.0.0"
   },
   "system": {
     "transpiler": "babel",
     "babelOptions": {
       "blacklist": []
     }
-  },
-  "devDependencies": {
-    "babel-core": "^6.7.4",
-    "steal-jsx": "0.0.0"
   }
 }
diff --git a/world.jsx b/world.jsx
index 767f68b..d85a689 100644
--- a/world.jsx
+++ b/world.jsx
@@ -1,6 +1,6 @@
 import React from 'react';
 
-export default class World extends React.Component {
+class World extends React.Component {
     constructor(props) {
         super(props);
         this.state = {
@@ -19,3 +19,7 @@ export default class World extends React.Component {
         return <div style={style} onClick={()=>this.clicked()}>{this.state.message}</div>;
     }
 }
+World.displayName = 'World';
+World.propTypes = {};
+
+export default World;