Update transitions.md (#1364)

AndreasCag · kazupon · commit fce33be7c07d · 2018-01-03T12:53:32.000+09:00
Fix small mistake.
diff --git a/src/v2/guide/transitions.md b/src/v2/guide/transitions.md
@@ -48,10 +48,10 @@ new Vue({
 
 ``` css
 .fade-enter-active, .fade-leave-active {
-  transition: opacity .5s
+  transition: opacity .5s;
 }
 .fade-enter, .fade-leave-to /* .fade-leave-active below version 2.1.8 */ {
-  opacity: 0
+  opacity: 0;
 }
 ```
 

Original file line number	Diff line number	Diff line change
`@@ -48,10 +48,10 @@ new Vue({`
`48`	`48`
`49`	`49`	``` css
`50`	`50`	`.fade-enter-active, .fade-leave-active {`
`51`		`- transition: opacity .5s`
	`51`	`+ transition: opacity .5s;`
`52`	`52`	`}`
`53`	`53`	`.fade-enter, .fade-leave-to /* .fade-leave-active below version 2.1.8 */ {`
`54`		`- opacity: 0`
	`54`	`+ opacity: 0;`
`55`	`55`	`}`
`56`	`56`	```
`57`	`57`