[Doc EN]: http links to https (#1732)

Signed-off-by: Bruno Lesieur <[email protected]>

Author: MachinisteWeb

Diff for: docs/en/advanced/lazy-loading.md

@@ -2,7 +2,7 @@
 
 When building apps with a bundler, the JavaScript bundle can become quite large, and thus affect the page load time. It would be more efficient if we can split each route's components into a separate chunk, and only load them when the route is visited.
 
-Combining Vue's [async component feature](http://vuejs.org/guide/components.html#Async-Components) and webpack's [code splitting feature](https://webpack.js.org/guides/code-splitting-async/), it's trivially easy to lazy-load route components.
+Combining Vue's [async component feature](https://vuejs.org/guide/components.html#Async-Components) and webpack's [code splitting feature](https://webpack.js.org/guides/code-splitting-async/), it's trivially easy to lazy-load route components.
 
 First, an async component can be defined as a factory function that returns a Promise (which should resolve to the component itself):
 

Diff for: docs/en/advanced/transitions.md

@@ -8,7 +8,7 @@ Since the `<router-view>` is essentially a dynamic component, we can apply trans
 </transition>
 ```
 
-[Everything about `<transition>`](http://vuejs.org/guide/transitions.html) works the same here.
+[Everything about `<transition>`](https://vuejs.org/guide/transitions.html) works the same here.
 
 ### Per-Route Transition
 

Diff for: docs/en/essentials/getting-started.md

@@ -2,7 +2,7 @@
 
 > We will be using [ES2015](https://github.com/lukehoban/es6features) in the code samples in the guide.
 
-Creating a Single-page Application with Vue.js + vue-router is dead simple. With Vue.js, we are already composing our application with components. When adding vue-router to the mix, all we need to do is map our components to the routes and let vue-router know where to render them. Here's a basic example:
+Creating a Single-page Application with Vue + Vue Router is dead simple. With Vue.js, we are already composing our application with components. When adding vue-router to the mix, all we need to do is map our components to the routes and let vue-router know where to render them. Here's a basic example:
 
 > All examples will be using the full version of Vue to make template parsing possible. See more details [here](https://vuejs.org/v2/guide/installation.html#Runtime-Compiler-vs-Runtime-only).