Add documentation changes from code review

Author: armano2

README.md

@@ -44,17 +44,33 @@ module.exports = {
 }
 ```
 
-### This plugin currently is able to detect both components and new instances of vue:
+### Attention
 
-#### Components are detected based on:
-- `Vue.component` expression
-- `export default {` in **.vue** and **.jsx** files
+All component-related rules are being applied to code that passes any of the following checks:
 
-If you want to support custom **.js** files to be checked in terms of the available rules you needs to add comment in line before object declaration witch contains phrase `@vue/component`.
+* `Vue.component()` expression
+* `export default {}` in `.vue` or `.jsx` file
 
-#### New instances of vue are detected based on:
-- `new Vue(`
-- `Vue.extends(`
+If you however want to take advantage of our rules in any of your custom objects that are Vue components, you might need to use special comment `// @vue/component` that marks object in the next line as a Vue component in any file, e.g.:
+
+```js
+// @vue/component
+const CustomComponent = {
+  name: 'custom-component',
+  template: '<div></div>'
+}
+```
+```js
+Vue.component('AsyncComponent', (resolve, reject) => {
+  setTimeout(() => {
+    // @vue/component
+    resolve({
+      name: 'async-component',
+      template: '<div></div>'
+    })
+  }, 500)
+})
+```
 
 ## :gear: Configs