fix: casing on npm

Author: bencodezen

src/guide/installation.md

@@ -36,9 +36,9 @@ For prototyping or learning purposes, you can use the latest version with:
 
 For production, we recommend linking to a specific version number and build to avoid unexpected breakage from newer versions.
 
-## NPM
+## npm
 
-NPM is the recommended installation method when building large scale applications with Vue. It pairs nicely with module bundlers such as [Webpack](https://webpack.js.org/) or [Rollup](https://rollupjs.org/). Vue also provides accompanying tools for authoring [Single File Components](../guide/single-file-component.html).
+npm is the recommended installation method when building large scale applications with Vue. It pairs nicely with module bundlers such as [Webpack](https://webpack.js.org/) or [Rollup](https://rollupjs.org/). Vue also provides accompanying tools for authoring [Single File Components](../guide/single-file-component.html).
 
 ```bash
 # latest stable

src/guide/migration/introduction.md

@@ -1,10 +1,10 @@
 # Introduction
 
-::: info 
-New to Vue.js? Check out our [Essentials Guide](/guide/introduction.html) to get started. 
+::: info
+New to Vue.js? Check out our [Essentials Guide](/guide/introduction.html) to get started.
 :::
 
-This guide is primarily for users with prior Vue 2 experience who want to learn about the new features and changes in Vue 3. **This is not something you have to read from top to bottom before trying out Vue 3.** While it looks like a lot has changed, a lot of what you know and love about Vue is still the same; but we wanted to be as thorough as possible and provide detailed explanations and examples for every documented change. 
+This guide is primarily for users with prior Vue 2 experience who want to learn about the new features and changes in Vue 3. **This is not something you have to read from top to bottom before trying out Vue 3.** While it looks like a lot has changed, a lot of what you know and love about Vue is still the same; but we wanted to be as thorough as possible and provide detailed explanations and examples for every documented change.
 
 - [Quickstart](#quickstart)
 - [Notable New Features](#notable-new-features)
@@ -111,7 +111,7 @@ The following consists a list of breaking changes from 2.x:
 
 ## Supporting Libraries
 
-All of our official libraries and tools now support Vue 3, but most of them are still in beta status and distributed under the `next` dist tag on NPM. **We are planning to stabilize and switch all projects to use the `latest` dist tag by end of 2020.**
+All of our official libraries and tools now support Vue 3, but most of them are still in beta status and distributed under the `next` dist tag on npm. **We are planning to stabilize and switch all projects to use the `latest` dist tag by end of 2020.**
 
 ### Vue CLI
 
@@ -155,7 +155,7 @@ It is recommended to use [VSCode](https://code.visualstudio.com/) with our offic
 
 ### Other Projects
 
-| Project               | NPM                           | Repo                 |
+| Project               | npm                           | Repo                 |
 | --------------------- | ----------------------------- | -------------------- |
 | @vue/babel-plugin-jsx | [![rc][jsx-badge]][jsx-npm]   | [[GitHub][jsx-code]] |
 | eslint-plugin-vue     | [![ga][epv-badge]][epv-npm]   | [[GitHub][epv-code]] |

src/guide/single-file-component.md

@@ -35,7 +35,7 @@ One important thing to note is that **separation of concerns is not equal to sep
 
 Even if you don't like the idea of Single-File Components, you can still leverage its hot-reloading and pre-compilation features by separating your JavaScript and CSS into separate files:
 
-``` html
+```html
 <!-- my-component.vue -->
 <template>
   <div>This will be pre-compiled</div>
@@ -54,7 +54,7 @@ If you want to dive right in and start playing with single-file components, chec
 
 With `.vue` components, we're entering the realm of advanced JavaScript applications. That means learning to use a few additional tools if you haven't already:
 
-- **Node Package Manager (NPM)**: Read the [Getting Started guide](https://docs.npmjs.com/packages-and-modules/getting-packages-from-the-registry) section about how to get packages from the registry.
+- **Node Package Manager (npm)**: Read the [Getting Started guide](https://docs.npmjs.com/packages-and-modules/getting-packages-from-the-registry) section about how to get packages from the registry.
 
 - **Modern JavaScript with ES2015/16**: Read through Babel's [Learn ES2015 guide](https://babeljs.io/docs/en/learn). You don't have to memorize every feature right now, but keep this page as a reference you can come back to.