Merge pull request #4589 from grafana/mention-just-example

clarify that this is only an example. fix 2 of #4576

public/app/features/plugins/partials/ds_http_settings.html

@@ -8,7 +8,7 @@
 		<input class="gf-form-input max-width-21" type="text" ng-model='current.url' placeholder="for example: http://localhost:8080" ng-pattern="/^(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?$/" required></input>
 
 		<info-popover>
-			<p>Specify a complete HTTP url (http://your_server:8080)</p>
+			<p>Specify a complete HTTP url (for example http://your_server:8080)</p>
 			<span ng-show="current.access === 'direct'">
 				Your access method is <em>Direct</em>, this means the url
 				needs to be accessable from the browser.