diff --git a/server/devdocs/index.js b/server/devdocs/index.js
index <HASH>..<HASH> 100644
--- a/server/devdocs/index.js
+++ b/server/devdocs/index.js
@@ -10,6 +10,7 @@ import lunr from 'lunr';
 import { find, escape as escapeHTML } from 'lodash';
 import Prism from 'prismjs';
 import 'prismjs/components/prism-jsx';
+import 'prismjs/components/prism-json';
 
 /**
  * Internal dependencies
@@ -29,6 +30,9 @@ const root = fs.realpathSync( fspath.join( __dirname, '..', '..' ) ),
 const SNIPPET_PAD_LENGTH = 40;
 const DEFAULT_SNIPPET_LENGTH = 100;
 
+// Alias `javascript` language to `es6`
+Prism.languages.es6 = Prism.languages.javascript;
+
 // Configure marked to use Prism for code-block highlighting.
 marked.setOptions( {
 	highlight: function( code, language ) {
Include Prisms json language and create alias for es6