diff --git a/README.md b/README.md
index ddd190537..38c7e6bc7 100755
--- a/README.md
+++ b/README.md
@@ -233,7 +233,7 @@ An Object containing nested boolean values
 representing the available input and output formats/methods,
 for example:
 
-```json
+```javascript
 { jpeg: { id: 'jpeg',
     input: { file: true, buffer: true, stream: true },
     output: { file: true, buffer: true, stream: true } },