Review fixes on typo and missing change to package.json

Author: agjohnson

docs/contributing.rst

@@ -35,7 +35,7 @@ Set up your environment
 Making changes
 --------------
 
-Changes to the theme can be compiled and tested with webpacke:
+Changes to the theme can be compiled and tested with Webpack_:
 
 .. code:: console
 

package.json

@@ -4,7 +4,7 @@
   "version": "0.4.3",
   "private": true,
   "scripts": {
-    "start": "webpack-dev-server --open --config webpack.dev.js",
+    "dev": "webpack-dev-server --open --config webpack.dev.js",
     "build": "webpack --config webpack.prod.js"
   },
   "dependencies": {},