[en] typo (#1825)

Author: Jinjiang

Diff for: docs/en/advanced/navigation-guards.md

@@ -116,7 +116,7 @@ beforeRouteEnter (to, from, next) {
 }
 ```
 
-Note that `beforeRouteEnter` is the only hook that supports passing a callback to `next`. For `beforeRouteUpdate` and `beforeRouteLeave`, `this` is already available, so passing a callback is unnecessary and therefore *not supported*:
+Note that `beforeRouteEnter` is the only guard that supports passing a callback to `next`. For `beforeRouteUpdate` and `beforeRouteLeave`, `this` is already available, so passing a callback is unnecessary and therefore *not supported*:
 
 ```js
 beforeRouteUpdate (to, from, next) {

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

@@ -88,6 +88,6 @@ export default {
 
 Throughout the docs, we will often use the `router` instance. Keep in mind that `this.$router` is exactly the same as using `router`. The reason we use `this.$router` is because we don't want to import the router in every single component that needs to manipulate routing.
 
-You can also check out this example [live](http://jsfiddle.net/yyx990803/xgrjzsup/).
+You can also check out this example [live](https://jsfiddle.net/yyx990803/xgrjzsup/).
 
 Notice that a `<router-link>` automatically gets the `.router-link-active` class when its target route is matched. You can learn more about it in its [API reference](../api/router-link.md).