[Doc EN]: some update for 2.5.0 documentation (#1218)

* New in with + symbol

Signed-off-by: Bruno Lesieur <bruno.lesieur@gmail.com>

* Review of 2.5.0 doc

Signed-off-by: Bruno Lesieur <bruno.lesieur@gmail.com>

* Review

Signed-off-by: Bruno Lesieur <bruno.lesieur@gmail.com>

Author: MachinisteWeb

src/v2/api/index.md

@@ -115,7 +115,7 @@ type: api
   Vue.config.ignoredElements = [
     'my-custom-web-component',
     'another-web-component',
-    // Use a RegExp to ignore all elements that start with "ion-"
+    // Use a `RegExp` to ignore all elements that start with "ion-"
     // 2.5+ only
     /^ion-/
   ]

src/v2/guide/events.md

@@ -259,7 +259,7 @@ In the above example, the handler will only be called if `$event.key === 'PageDo
 
 ## System Modifier Keys
 
-> New in 2.1.0
+> New in 2.1.0+
 
 You can use the following modifiers to trigger mouse or keyboard event listeners only when the corresponding modifier key is pressed:
 
@@ -284,7 +284,7 @@ For example:
 
 ### `.exact` Modifier
 
-> New in 2.5.0
+> New in 2.5.0+
 
 The `.exact` modifier should be used in combination with other system modifiers to indicate that the exact combination of modifiers must be pressed for the handler to fire.
 

src/v2/guide/typescript.md

@@ -4,7 +4,7 @@ type: guide
 order: 404
 ---
 
-> In Vue 2.5.0 we have greatly improved our type declarations to work with the default object-based API. At the same time it introduces a few changes that require upgrade actions. Read [this blog post](https://medium.com/the-vue-point/upcoming-typescript-changes-in-vue-2-5-e9bd7e2ecf08) for more details.
+> In Vue 2.5.0+ we have greatly improved our type declarations to work with the default object-based API. At the same time it introduces a few changes that require upgrade actions. Read [this blog post](https://medium.com/the-vue-point/upcoming-typescript-changes-in-vue-2-5-e9bd7e2ecf08) for more details.
 
 ## Official Declaration in NPM Packages
 
@@ -128,7 +128,7 @@ import Vue from 'vue'
 
 declare module 'vue/types/vue' {
   // Global properties can be declared
-  // on the VueConstructor interface
+  // on the `VueConstructor` interface
   interface VueConstructor {
     $myGlobal: string
   }