fix: (gatsby-plugin-mdx)update readme (#18885)

aravindballa · johno · commit cedea4a32904 · 2019-10-21T10:06:44.000-06:00
diff --git a/packages/gatsby-plugin-mdx/README.md b/packages/gatsby-plugin-mdx/README.md
@@ -340,9 +340,7 @@ module.exports = {
 }
 ```
 
-###### Note:
-
-Using a string reference is currently not supported for `gatsbyRemarkPlugins`. (A PR would be accepted for this)
+Using a string reference is also supported for `gatsbyRemarkPlugins`.
 
 ```js
 gatsbyRemarkPlugins: [`gatsby-remark-images`]

Original file line number	Diff line number	Diff line change
`@@ -340,9 +340,7 @@ module.exports = {`
`340`	`340`	`}`
`341`	`341`	```
`342`	`342`
`343`		`-###### Note:`
`344`		`-`
`345`		-Using a string reference is currently not supported for `gatsbyRemarkPlugins`. (A PR would be accepted for this)
	`343`	+Using a string reference is also supported for `gatsbyRemarkPlugins`.
`346`	`344`
`347`	`345`	```js
`348`	`346`	gatsbyRemarkPlugins: [`gatsby-remark-images`]