diff --git a/packages/gatsby-transformer-sharp/README.md b/packages/gatsby-transformer-sharp/README.md
index c915fe9868457..a8f5831484454 100644
--- a/packages/gatsby-transformer-sharp/README.md
+++ b/packages/gatsby-transformer-sharp/README.md
@@ -16,7 +16,9 @@ including resizing, cropping, and creating responsive images.
 
 ```javascript
 // In your gatsby-config.js
-plugins: [`gatsby-transformer-sharp`];
+module.exports = {
+  plugins: [`gatsby-transformer-sharp`]
+}
 ```
 
 ## Parsing algorithm