diff --git a/platform/platform-api/src/com/intellij/openapi/fileEditor/FileDocumentManagerListener.java b/platform/platform-api/src/com/intellij/openapi/fileEditor/FileDocumentManagerListener.java
index 39b746454972..7a22e4838d83 100644
--- a/platform/platform-api/src/com/intellij/openapi/fileEditor/FileDocumentManagerListener.java
+++ b/platform/platform-api/src/com/intellij/openapi/fileEditor/FileDocumentManagerListener.java
@@ -1,6 +1,7 @@
-// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.openapi.fileEditor;
 
+import com.intellij.AppTopics;
 import com.intellij.openapi.editor.Document;
 import com.intellij.openapi.extensions.ExtensionPointName;
 import com.intellij.openapi.vfs.VirtualFile;
@@ -8,6 +9,9 @@ import org.jetbrains.annotations.NotNull;
 
 import java.util.EventListener;
 
+/**
+ * @see AppTopics#FILE_DOCUMENT_SYNC
+ */
 public interface FileDocumentManagerListener extends EventListener {
 
   /**