diff --git a/apps/dav/lib/CardDAV/AddressBookImpl.php b/apps/dav/lib/CardDAV/AddressBookImpl.php
index 3db20cb4220..2f7f0a22900 100644
--- a/apps/dav/lib/CardDAV/AddressBookImpl.php
+++ b/apps/dav/lib/CardDAV/AddressBookImpl.php
@@ -12,6 +12,7 @@
  * @author Joas Schilling <coding@schilljs.com>
  * @author John Molakvoæ <skjnldsv@protonmail.com>
  * @author Julius Härtl <jus@bitgrid.net>
+ * @author Thomas Citharel <nextcloud@tcit.fr>
  * @author Thomas Müller <thomas.mueller@tmit.eu>
  *
  * @license AGPL-3.0
@@ -206,7 +207,7 @@ class AddressBookImpl implements IAddressBook {
 	}
 
 	/**
-	 * @param object $id the unique identifier to a contact
+	 * @param int $id the unique identifier to a contact
 	 * @return bool successful or not
 	 * @since 5.0.0
 	 */
diff --git a/lib/private/ContactsManager.php b/lib/private/ContactsManager.php
index 937fb94a09a..68783e3f79b 100644
--- a/lib/private/ContactsManager.php
+++ b/lib/private/ContactsManager.php
@@ -6,6 +6,7 @@
  * @author Joas Schilling <coding@schilljs.com>
  * @author John Molakvoæ <skjnldsv@protonmail.com>
  * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Thomas Citharel <nextcloud@tcit.fr>
  * @author Thomas Müller <thomas.mueller@tmit.eu>
  * @author Tobia De Koninck <tobia@ledfan.be>
  *
@@ -85,7 +86,7 @@ class ContactsManager implements IManager {
 	/**
 	 * This function can be used to delete the contact identified by the given id
 	 *
-	 * @param object $id the unique identifier to a contact
+	 * @param int $id the unique identifier to a contact
 	 * @param string $address_book_key identifier of the address book in which the contact shall be deleted
 	 * @return bool successful or not
 	 */
diff --git a/lib/public/Contacts/IManager.php b/lib/public/Contacts/IManager.php
index e9bdc01c060..65be12c4c39 100644
--- a/lib/public/Contacts/IManager.php
+++ b/lib/public/Contacts/IManager.php
@@ -105,7 +105,7 @@ interface IManager {
 	/**
 	 * This function can be used to delete the contact identified by the given id
 	 *
-	 * @param object $id the unique identifier to a contact
+	 * @param int $id the unique identifier to a contact
 	 * @param string $address_book_key identifier of the address book in which the contact shall be deleted
 	 * @return bool successful or not
 	 * @since 6.0.0
diff --git a/lib/public/IAddressBook.php b/lib/public/IAddressBook.php
index ee57dbceb71..8df9a0c007d 100644
--- a/lib/public/IAddressBook.php
+++ b/lib/public/IAddressBook.php
@@ -10,6 +10,7 @@
  * @author Morris Jobke <hey@morrisjobke.de>
  * @author Robin McCorkell <robin@mccorkell.me.uk>
  * @author Roeland Jago Douma <roeland@famdouma.nl>
+ * @author Thomas Citharel <nextcloud@tcit.fr>
  * @author Thomas Müller <thomas.mueller@tmit.eu>
  *
  * @license AGPL-3.0
@@ -97,7 +98,7 @@ namespace OCP {
 		public function getPermissions();
 
 		/**
-		 * @param object $id the unique identifier to a contact
+		 * @param int $id the unique identifier to a contact
 		 * @return bool successful or not
 		 * @since 5.0.0
 		 */