[Minor]Fix typos

README.md

@@ -68,7 +68,7 @@ In a nutshell, the combination of webpack and `vue-loader` gives you a modern, f
 
     Notice how the code is importing `source.vue` itself, but with different request queries for each block.
 
-2. We want the content in `script` block to be treated like `.js` files (and if it's `<script lang="ts">`, we want to to be treated like `.ts` files). Same for other language blocks. So we want webpack to apply any configured module rules that matches `.js` also to requests that look like `source.vue?vue&type=script`. This is what `VueLoaderPlugin` (`src/plugins.ts`) does: for each module rule in the webpack config, it creates a modified clone that targets corresponding Vue language block requests.
+2. We want the content in `script` block to be treated like `.js` files (and if it's `<script lang="ts">`, we want to be treated like `.ts` files). Same for other language blocks. So we want webpack to apply any configured module rules that matches `.js` also to requests that look like `source.vue?vue&type=script`. This is what `VueLoaderPlugin` (`src/plugins.ts`) does: for each module rule in the webpack config, it creates a modified clone that targets corresponding Vue language block requests.
 
     Suppose we have configured `babel-loader` for all `*.js` files. That rule will be cloned and applied to Vue SFC `<script>` blocks as well. Internally to webpack, a request like
 

example/webpack.config.js

@@ -68,7 +68,7 @@ module.exports = {
           }
         ]
       },
-      // exmaple configration for <style lang="scss">
+      // example configration for <style lang="scss">
       {
         test: /\.scss$/,
         use: [

lib/loaders/pitcher.js

@@ -163,7 +163,7 @@ module.exports.pitch = function (remainingRequest) {
 
   // When the user defines a rule that has only resourceQuery but no test,
   // both that rule and the cloned rule will match, resulting in duplicated
-  // loaders. Therefore it is necessary to perform a dedupe here.
+  // loaders. Therefore, it is necessary to perform a dedupe here.
   const request = genRequest(loaders)
   return `import mod from ${request}; export default mod; export * from ${request}`
 }

lib/runtime/componentNormalizer.js

@@ -52,7 +52,7 @@ export default function normalizeComponent (
       if (injectStyles) {
         injectStyles.call(this, context)
       }
-      // register component module identifier for async chunk inferrence
+      // register component module identifier for async chunk inference
       if (context && context._registeredComponents) {
         context._registeredComponents.add(moduleIdentifier)
       }

test/core.spec.js

@@ -146,7 +146,7 @@ test('script import', done => {
 })
 
 // #1620
-test('cloned rules should not intefere with each other', done => {
+test('cloned rules should not interfere with each other', done => {
   mockBundleAndRun({
     entry: 'basic.vue',
     module: {