JavaScriptExpert
diff --git a/‎docs/source/tutorial/data-source.md‎
Lines changed: 1 addition & 1 deletion b/‎docs/source/tutorial/data-source.md‎
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@@ -146,7 +146,7 @@ Adding our data sources is simple, just create a `dataSources` property on your
 
 _src/index.js_
 
-```js
+```js line=3,4,10-13
 const { createStore } = require('./utils');
 
 const LaunchAPI = require('./datasources/launch');