diff --git a/lib/public/Files/Notify/IChange.php b/lib/public/Files/Notify/IChange.php
index 09d9500a3d..1e6aaa8abe 100644
--- a/lib/public/Files/Notify/IChange.php
+++ b/lib/public/Files/Notify/IChange.php
@@ -23,6 +23,11 @@
 
 namespace OCP\Files\Notify;
 
+/**
+ * Represents a detected change in the storage
+ *
+ * @since 12.0.0
+ */
 interface IChange {
 	const ADDED = 1;
 	const REMOVED = 2;
@@ -33,6 +38,8 @@ interface IChange {
 	 * Get the type of the change
 	 *
 	 * @return int IChange::ADDED, IChange::REMOVED, IChange::MODIFIED or IChange::RENAMED
+	 *
+	 * @since 12.0.0
 	 */
 	public function getType();
 
@@ -42,6 +49,8 @@ interface IChange {
 	 * Note, for rename changes this path is the old path for the file
 	 *
 	 * @return mixed
+	 *
+	 * @since 12.0.0
 	 */
 	public function getPath();
 }
diff --git a/lib/public/Files/Notify/INotifyHandler.php b/lib/public/Files/Notify/INotifyHandler.php
index be672426a0..7e0e6a610d 100644
--- a/lib/public/Files/Notify/INotifyHandler.php
+++ b/lib/public/Files/Notify/INotifyHandler.php
@@ -23,6 +23,12 @@
 
 namespace OCP\Files\Notify;
 
+/**
+ * Provides access to detected changes in the storage by either actively listening
+ * or getting the list of changes that happened in the background
+ *
+ * @since 12.0.0
+ */
 interface INotifyHandler {
 	/**
 	 * Start listening for update notifications
@@ -33,6 +39,8 @@ interface INotifyHandler {
 	 * Note that this call is blocking and will not exit on it's own, to stop listening for notifications return `false` from the callback
 	 *
 	 * @param callable $callback
+	 *
+	 * @since 12.0.0
 	 */
 	public function listen(callable $callback);
 
@@ -40,6 +48,8 @@ interface INotifyHandler {
 	 * Get all changes detected since the start of the notify process or the last call to getChanges
 	 *
 	 * @return IChange[]
+	 *
+	 * @since 12.0.0
 	 */
 	public function getChanges();
 
@@ -47,6 +57,8 @@ interface INotifyHandler {
 	 * Stop listening for changes
 	 *
 	 * Note that any pending changes will be discarded
+	 *
+	 * @since 12.0.0
 	 */
 	public function stop();
 }
diff --git a/lib/public/Files/Notify/IRenameChange.php b/lib/public/Files/Notify/IRenameChange.php
index 710a8acf0f..c95499a7e7 100644
--- a/lib/public/Files/Notify/IRenameChange.php
+++ b/lib/public/Files/Notify/IRenameChange.php
@@ -23,11 +23,18 @@
 
 namespace OCP\Files\Notify;
 
+/**
+ * Represents a detected rename change
+ *
+ * @since 12.0.0
+ */
 interface IRenameChange extends IChange {
 	/**
 	 * Get the new path of the renamed file relative to the storage root
 	 *
 	 * @return string
+	 *
+	 * @since 12.0.0
 	 */
 	public function getTargetPath();
 }