es2015.Promise should be es2015.promise (vuejs#826)

paulvanbladel · kazupon · commit 87079b559619 · 2017-03-16T23:42:57.000+09:00
diff --git a/src/v2/guide/typescript.md b/src/v2/guide/typescript.md
@@ -27,7 +27,7 @@ Since these are [published on NPM](https://unpkg.com/vue/types/), and the latest
     "lib": [
       "dom",
       "es5",
-      "es2015.Promise"
+      "es2015.promise"
     ]
   }
 }

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,7 @@ Since these are [published on NPM](https://unpkg.com/vue/types/), and the latest`
`27`	`27`	`"lib": [`
`28`	`28`	`"dom",`
`29`	`29`	`"es5",`
`30`		`- "es2015.Promise"`
	`30`	`+ "es2015.promise"`
`31`	`31`	`]`
`32`	`32`	`}`
`33`	`33`	`}`