diff --git a/src/v2/guide/typescript.md b/src/v2/guide/typescript.md
index e5283d8443..02283d150c 100644
--- a/src/v2/guide/typescript.md
+++ b/src/v2/guide/typescript.md
@@ -151,14 +151,14 @@ For this reason, you may need to annotate the return type on methods like `rende
 import Vue, { VNode } from 'vue'
 
 const Component = Vue.extend({
-  data() {
+  data () {
     return {
       msg: 'Hello'
     }
   },
   methods: {
     // need annotation due to `this` in return type
-    greet(): string {
+    greet (): string {
       return this.msg + ' world'
     }
   },
@@ -169,7 +169,7 @@ const Component = Vue.extend({
     }
   },
   // `createElement` is inferred, but `render` needs return type
-  render(createElement): VNode {
+  render (createElement): VNode {
     return createElement('div', this.greeting)
   }
 })