diff --git a/lib/private/Group/Manager.php b/lib/private/Group/Manager.php
index 1dcbcfd7a0c77..f4bbeea3d69bb 100644
--- a/lib/private/Group/Manager.php
+++ b/lib/private/Group/Manager.php
@@ -351,12 +351,6 @@ public function isInGroup($userId, $group) {
 		return in_array($group, $this->getUserIdGroupIds($userId));
 	}
 
-	/**
-	 * get a list of group ids for a user
-	 *
-	 * @param IUser $user
-	 * @return list<string> with group ids
-	 */
 	public function getUserGroupIds(IUser $user): array {
 		return $this->getUserIdGroupIds($user->getUID());
 	}
diff --git a/lib/public/IGroupManager.php b/lib/public/IGroupManager.php
index eda95187f63da..7e0575ad4be9d 100644
--- a/lib/public/IGroupManager.php
+++ b/lib/public/IGroupManager.php
@@ -89,7 +89,7 @@ public function getUserGroups(?IUser $user = null);
 
 	/**
 	 * @param \OCP\IUser $user
-	 * @return string[] with group names
+	 * @return list<string> with group ids
 	 * @since 8.0.0
 	 */
 	public function getUserGroupIds(IUser $user): array;