Fixed spelling in config.sample.js

src/config.sample.js

-///// @scratch /configuration/config.js/1
- // == Configuration
- // config.js is where you will find the core Grafana configuration. This file contains parameter that
- // must be set before Grafana is run for the first time.
- ///
+// == Configuration
+// config.js is where you will find the core Grafana configuration. This file contains parameter that
+// must be set before Grafana is run for the first time.
+
 define(['settings'],
 function (Settings) {
   "use strict";
@@ -97,7 +96,7 @@ function (Settings) {
     // Change window title prefix from 'Grafana - <dashboard title>'
     window_title_prefix: 'Grafana - ',
 
-    // Add your own custom pannels
+    // Add your own custom panels
     plugins: {
       // list of plugin panels
       panels: [],