docs: fix case vue.nextTick to Vue.nextTick (#182)

ChangJoo-Park · eddyerburgh · commit 7610aa19362a · 2017-11-17T18:59:05.000Z
It seems to be uppercase https://vuejs.org/v2/api/#Vue-nextTick
diff --git a/docs/en/guides/dom-events.md b/docs/en/guides/dom-events.md
@@ -193,4 +193,4 @@ A key name after the dot `keydown.up` is translated to a `keyCode`. This is supp
 
 ## Important
 
-vue-test-utils triggers event synchronously. Consequently, `vue.nextTick` is not required.
+vue-test-utils triggers event synchronously. Consequently, `Vue.nextTick` is not required.

Original file line number	Diff line number	Diff line change
@@ -193,4 +193,4 @@ A key name after the dot `keydown.up` is translated to a `keyCode`. This is supp
`193`	`193`
`194`	`194`	`## Important`
`195`	`195`
`196`		-vue-test-utils triggers event synchronously. Consequently, `vue.nextTick` is not required.
	`196`	+vue-test-utils triggers event synchronously. Consequently, `Vue.nextTick` is not required.