diff --git a/doc/outline.txt b/doc/outline.txt
index 3469c99..0fbc39b 100644
--- a/doc/outline.txt
+++ b/doc/outline.txt
@@ -1,4 +1,4 @@
-*outline.txt*           For NVIM v0.7.0          Last change: 2023 November 29
+*outline.txt*           For NVIM v0.7.0          Last change: 2023 November 30
 
 ==============================================================================
 Table of Contents                                  *outline-table-of-contents*
@@ -849,6 +849,12 @@ Use outline window as a quick-jump window
 
 https://github.com/hedyhli/outline.nvim/assets/50042066/a473d791-d1b9-48e9-917f-b816b564a645
 
+Note that auto-resizing of the preview window is only enabled for auto-preview.
+Otherwise, close and reopen the preview after resizing the code window.
+
+
+https://github.com/hedyhli/outline.nvim/assets/50042066/b7f6d2b6-98b3-4557-8143-e49583e99d3b
+
 Alternatively, if you want to automatically navigate to the corresponding code
 location directly and not use the preview window: