added examples for tracking only specific urls

plugins/SitesManager/SitesManager.php

@@ -293,6 +293,7 @@ class SitesManager extends \Piwik\Plugin
         $translationKeys[] = "SitesManager_AliasUrlHelp";
         $translationKeys[] = "SitesManager_OnlyMatchedUrlsAllowed";
         $translationKeys[] = "SitesManager_OnlyMatchedUrlsAllowedHelp";
+        $translationKeys[] = "SitesManager_OnlyMatchedUrlsAllowedHelpExamples";
         $translationKeys[] = "SitesManager_KeepURLFragmentsLong";
         $translationKeys[] = "SitesManager_HelpExcludedIps";
         $translationKeys[] = "SitesManager_ListOfQueryParametersToExclude";

plugins/SitesManager/lang/en.json

@@ -78,6 +78,7 @@
         "UTCTimeIs": "UTC time is %s.",
         "OnlyMatchedUrlsAllowed": "Only track visits and actions when the action URL starts with one of the above URLs.",
         "OnlyMatchedUrlsAllowedHelp": "When enabled, Piwik will only track internal actions when the Page URL is one of the known URLs for your website. This prevents people from spamming your analytics with URLs for other websites.",
+        "OnlyMatchedUrlsAllowedHelpExamples": "The domain and the path has to be an exact match and each valid subdomain has to be specified separately. For example when the known URLs are 'http://example.com/path' and 'http://good.example.com', tracking requests for 'http://example.com/otherpath' or 'http://bad.example.com' are ignored.",
         "WebsitesManagement": "Websites Management",
         "XManagement": "Manage %s",
         "ChooseMeasurableTypeHeadline": "What would you like to measure?",

plugins/SitesManager/templates/sites-list/site-fields.html

@@ -85,6 +85,7 @@
 
             <div class="form-help">
                 {{ 'SitesManager_OnlyMatchedUrlsAllowedHelp' | translate }}
+                {{ 'SitesManager_OnlyMatchedUrlsAllowedHelpExamples' | translate }}
             </div>
             <label class="checkbox">
                 <input type="checkbox" ng-model="site.exclude_unknown_urls" ng-true-value="1" ng-false-value="0"> {{ 'SitesManager_OnlyMatchedUrlsAllowed' | translate:'':'' }}