Webpack config typo (facebook#2193)

* Webpack config typo

* Webpack config more typo

packages/react-scripts/config/webpack.config.dev.js

@@ -146,10 +146,10 @@ module.exports = {
         include: paths.appSrc,
       },
       // ** ADDING/UPDATING LOADERS **
-      // The "url" loader handles all assets unless explicitly excluded.
+      // The "file" loader handles all assets unless explicitly excluded.
       // The `exclude` list *must* be updated with every change to loader extensions.
       // When adding a new loader, you must add its `test`
-      // as a new entry in the `exclude` list for "url" loader.
+      // as a new entry in the `exclude` list for "file" loader.
 
       // "file" loader makes sure those assets get served by WebpackDevServer.
       // When you `import` an asset, you get its (virtual) filename.
@@ -233,7 +233,7 @@ module.exports = {
         ],
       },
       // ** STOP ** Are you adding a new loader?
-      // Remember to add the new extension(s) to the "url" loader exclusion list.
+      // Remember to add the new extension(s) to the "file" loader exclusion list.
     ],
   },
   plugins: [

packages/react-scripts/config/webpack.config.prod.js

@@ -145,10 +145,10 @@ module.exports = {
         include: paths.appSrc,
       },
       // ** ADDING/UPDATING LOADERS **
-      // The "url" loader handles all assets unless explicitly excluded.
+      // The "file" loader handles all assets unless explicitly excluded.
       // The `exclude` list *must* be updated with every change to loader extensions.
       // When adding a new loader, you must add its `test`
-      // as a new entry in the `exclude` list in the "url" loader.
+      // as a new entry in the `exclude` list in the "file" loader.
 
       // "file" loader makes sure those assets end up in the `build` folder.
       // When you `import` an asset, you get its filename.
@@ -243,7 +243,7 @@ module.exports = {
         // Note: this won't work without `new ExtractTextPlugin()` in `plugins`.
       },
       // ** STOP ** Are you adding a new loader?
-      // Remember to add the new extension(s) to the "url" loader exclusion list.
+      // Remember to add the new extension(s) to the "file" loader exclusion list.
     ],
   },
   plugins: [