diff --git a/src/Model/SitewideContentReview.php b/src/Model/SitewideContentReview.php
index beb7021..fb5d0e9 100644
--- a/src/Model/SitewideContentReview.php
+++ b/src/Model/SitewideContentReview.php
@@ -3,13 +3,12 @@
 namespace SilverStripe\SiteWideContentReport\Model;
 
 use SilverStripe\Core\Extension;
+use SilverStripe\SiteWideContentReport\SitewideContentReport;
 
 /**
  * Provides contentreview integration for sitewide content report.
  *
- * Requires https://github.com/silverstripe/silverstripe-contentreview
- * Class SitewideContentReview
- * @package SilverStripe\SiteWideContentReport\Model
+ * @extends Extension<SitewideContentReport>
  */
 class SitewideContentReview extends Extension
 {
diff --git a/src/Model/SitewideContentSubsites.php b/src/Model/SitewideContentSubsites.php
index b295bed..bfe1fdf 100644
--- a/src/Model/SitewideContentSubsites.php
+++ b/src/Model/SitewideContentSubsites.php
@@ -3,15 +3,14 @@
 namespace SilverStripe\SiteWideContentReport\Model;
 
 use SilverStripe\Core\Extension;
+use SilverStripe\SiteWideContentReport\Form\GridFieldBasicContentReport;
+use SilverStripe\SiteWideContentReport\SitewideContentReport;
 use SilverStripe\Subsites\Model\Subsite;
 
 /**
  * Provides subsite integration for sitewide content report.
  *
- * Requires https://github.com/silverstripe/silverstripe-subsites
- *
- * Class SitewideContentSubsites
- * @package SilverStripe\SiteWideContentReport\Model
+ * @extends Extension<SitewideContentReport|GridFieldBasicContentReport>
  */
 class SitewideContentSubsites extends Extension
 {
diff --git a/src/Model/SitewideContentTaxonomy.php b/src/Model/SitewideContentTaxonomy.php
index bf61f3a..e846b8c 100644
--- a/src/Model/SitewideContentTaxonomy.php
+++ b/src/Model/SitewideContentTaxonomy.php
@@ -4,15 +4,13 @@
 
 use SilverStripe\Core\Config\Config;
 use SilverStripe\Core\Extension;
+use SilverStripe\SiteWideContentReport\SitewideContentReport;
 use SilverStripe\Taxonomy\TaxonomyTerm;
 
 /**
  * Provides taxonomy integration for sitewide content report.
  *
- * Requires https://github.com/silverstripe-labs/silverstripe-taxonomy
- *
- * Class SitewideContentTaxonomy
- * @package SilverStripe\SiteWideContentReport\Model
+ * @extends Extension<SitewideContentReport>
  */
 class SitewideContentTaxonomy extends Extension
 {