diff --git a/README.md b/README.md
index 75813ff..2e5babc 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ For more information checkout our website https://event-federation.eu/. You can
 * [The Events Calendar](https://de.wordpress.org/plugins/the-events-calendar/)
 * [VS Event List](https://de.wordpress.org/plugins/very-simple-event-list/)
 * [Events Manager](https://de.wordpress.org/plugins/events-manager/)
-* [GatherPress](https://github.com/GatherPress/gatherpress)
+  * [GatherPress](https://github.com/GatherPress/gatherpress)
 
 ### Later:
 - [All in One Events Calendar](https://de.wordpress.org/plugins/all-in-one-event-calendar/)
diff --git a/includes/activitypub/transformer/class-event.php b/includes/activitypub/transformer/class-event.php
index e1ff34d..7c71022 100644
--- a/includes/activitypub/transformer/class-event.php
+++ b/includes/activitypub/transformer/class-event.php
@@ -41,6 +41,13 @@ class Event extends Post {
 		return 'Event';
 	}
 
+	/**
+	 * Format a human readable HTML summary.
+	 */
+	protected function format_html_summary($summary_text) {
+		
+	}
+
 	/**
 	 * Generic function that converts an WP-Event object to an ActivityPub-Event object.
 	 *
diff --git a/includes/activitypub/transformer/class-events-manager.php b/includes/activitypub/transformer/class-events-manager.php
index 8fb4b91..6234b6a 100644
--- a/includes/activitypub/transformer/class-events-manager.php
+++ b/includes/activitypub/transformer/class-events-manager.php
@@ -1,5 +1,4 @@
 <?php
-
 /**
  * ActivityPub Transformer for the plugin Very Simple Event List.
  *
@@ -83,6 +82,11 @@ class Events_Manager extends Event_Transformer {
 		return 'Event';
 	}
 
+	/**
+	 * Returns whether the even is online
+	 *
+	 * @return bool
+	 */
 	protected function get_is_online() {
 		return 'url' === $this->em_event->event_location_type;
 	}
@@ -135,22 +139,29 @@ class Events_Manager extends Event_Transformer {
 		$time_string     = $this->em_event->event_start_time;
 		$timezone_string = $this->em_event->event_timezone;
 
-		// Create a DateTime object with the given date, time, and timezone
+		// Create a DateTime object with the given date, time, and timezone.
 		$datetime = new DateTime( $date_string . ' ' . $time_string, new DateTimeZone( $timezone_string ) );
 
-		// Set the timezone for proper formatting
+		// Set the timezone for proper formatting.
 		$datetime->setTimezone( new DateTimeZone( 'UTC' ) );
 
-		// Format the DateTime object as 'Y-m-d\TH:i:s\Z'
+		// Format the DateTime object as 'Y-m-d\TH:i:s\Z'.
 		$formatted_date = $datetime->format( 'Y-m-d\TH:i:s\Z' );
 		return $formatted_date;
 	}
 
+	/**
+	 * Returns the maximum attendee capacity.
+	 *
+	 * @return int
+	 */
 	protected function get_maximum_attendee_capacity() {
 		return $this->em_event->event_spaces;
 	}
 
 	/**
+	 * Return the remaining attendee capacity
+	 *
 	 * @todo decide whether to include pending bookings or not!
 	 */
 	protected function get_remaining_attendee_capacity() {
@@ -159,15 +170,16 @@ class Events_Manager extends Event_Transformer {
 		return $remaining_attendee_capacity;
 	}
 
+	/**
+	 * Returns the current participant count.
+	 *
+	 * @return int
+	 */
 	protected function get_participant_count() {
 		$em_bookings = $this->em_event->get_bookings()->get_bookings();
 		return count( $em_bookings->bookings );
 	}
 
-	protected function get_content() {
-		return $this->wp_object->post_content;
-	}
-
 	protected function get_summary() {
 		if ( $this->em_event->post_excerpt ) {
 			$excerpt = $this->em_event->post_excerpt;
@@ -223,7 +235,6 @@ class Events_Manager extends Event_Transformer {
 	 * @return string $category
 	 */
 	protected function get_category() {
-
 		$categories = $this->em_event->get_categories()->terms;
 
 		if ( empty( $categories ) ) {
@@ -286,7 +297,6 @@ class Events_Manager extends Event_Transformer {
 	}
 
 	protected function get_name() {
-
 		return $this->em_event->event_name;
 	}
 
@@ -296,7 +306,6 @@ class Events_Manager extends Event_Transformer {
 	 * @return Activitypub\Activity\Event
 	 */
 	public function to_object() {
-
 		$this->em_event     = new EM_Event( $this->wp_object->ID, 'post_id' );
 		$activitypub_object = new Event();
 
diff --git a/includes/admin/class-event-plugin-admin-notices.php b/includes/admin/class-event-plugin-admin-notices.php
index 9c0ba29..82e8670 100644
--- a/includes/admin/class-event-plugin-admin-notices.php
+++ b/includes/admin/class-event-plugin-admin-notices.php
@@ -6,6 +6,7 @@
  *
  * @package Activitypub_Event_Extensions
  * @since 1.0.0
+ * @license AGPL-3.0-or-later
  */
 
 namespace Activitypub_Event_Extensions\Admin;
diff --git a/includes/admin/class-general-admin-notices.php b/includes/admin/class-general-admin-notices.php
index c265f00..8c69512 100644
--- a/includes/admin/class-general-admin-notices.php
+++ b/includes/admin/class-general-admin-notices.php
@@ -6,6 +6,7 @@
  *
  * @package Activitypub_Event_Extensions
  * @since 1.0.0
+ * @license AGPL-3.0-or-later
  */
 
 namespace Activitypub_Event_Extensions\Admin;
diff --git a/includes/class-autoloader.php b/includes/class-autoloader.php
index dcc18dc..d23adf2 100644
--- a/includes/class-autoloader.php
+++ b/includes/class-autoloader.php
@@ -8,6 +8,7 @@
  *
  * @package Activitypub_Event_Extensions
  * @since 1.0.0
+ * @license AGPL-3.0-or-later
  */
 
 namespace Activitypub_Event_Extensions;
diff --git a/includes/class-setup.php b/includes/class-setup.php
index cf2f799..4aec937 100644
--- a/includes/class-setup.php
+++ b/includes/class-setup.php
@@ -7,6 +7,7 @@
  *
  * @package Activitypub_Event_Extensions
  * @since 1.0.0
+ * @license AGPL-3.0-or-later
  */
 
 namespace Activitypub_Event_Extensions;