Update readme: nits

jfcherng · jfcherng · commit 5dbdf2134851 · 2019-08-04T19:22:44.000+08:00
Signed-off-by: Jack Cherng &lt;jfcherng@gmail.com&gt;
diff --git a/README.md b/README.md
@@ -187,7 +187,7 @@ $result = $renderer->render($differ);
 
 <details><summary>Click to expand</summary>
 
-```javascript
+```json
 [
     [
         {

Original file line number	Diff line number	Diff line change
`@@ -187,7 +187,7 @@ $result = $renderer->render($differ);`
`187`	`187`
`188`	`188`	`<details><summary>Click to expand</summary>`
`189`	`189`
`190`		-```javascript
	`190`	+```json
`191`	`191`	`[`
`192`	`192`	`[`
`193`	`193`	`{`