diff --git a/doc/cmdline.jax b/doc/cmdline.jax
index 9d4163a61..7ff4cb878 100644
--- a/doc/cmdline.jax
+++ b/doc/cmdline.jax
@@ -1,4 +1,4 @@
-*cmdline.txt*   For Vim バージョン 9.1.  Last change: 2025 Jul 21
+*cmdline.txt*   For Vim バージョン 9.1.  Last change: 2025 Aug 08
 
 
 		  VIMリファレンスマニュアル    by Bram Moolenaar
@@ -1269,8 +1269,10 @@ Cmdwin イベントを使用してコマンドラインウィンドウ専用の
 これはカレントウィンドウで |i_CTRL-N| によって補完を行うよう 'complete' を設定
 する。
 別の例: >
-	:au CmdwinEnter [/?]  startinsert
+	:au CmdwinEnter [/\?]  startinsert
 こうすれば、コマンドラインウィンドウではVimは挿入モードに移る。
+Note: これは |file-pattern| なので、"?" をエスケープする必要がある。
+|cmdline-autocompletion| も参照。
 
 						*cmdwin-char*
 パターンに使われる文字は、コマンドラインの種類を表す。
diff --git a/en/cmdline.txt b/en/cmdline.txt
index edc0f0fc3..e5d932a9d 100644
--- a/en/cmdline.txt
+++ b/en/cmdline.txt
@@ -1,4 +1,4 @@
-*cmdline.txt*   For Vim version 9.1.  Last change: 2025 Jul 21
+*cmdline.txt*   For Vim version 9.1.  Last change: 2025 Aug 08
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -927,7 +927,7 @@ to insert special things while typing you can use the CTRL-R command.  For
 example, "%" stands for the current file name, while CTRL-R % inserts the
 current file name right away.  See |c_CTRL-R|.
 
-Note:  If you want to avoid the effects of special characters in a Vim script
+Note: If you want to avoid the effects of special characters in a Vim script
 you may want to use |fnameescape()|.  Also see |`=|.
 
 
@@ -1325,8 +1325,10 @@ Example: >
 	:au CmdwinLeave :  let &cpt = b:cpt_save
 This sets 'complete' to use completion in the current window for |i_CTRL-N|.
 Another example: >
-	:au CmdwinEnter [/?]  startinsert
+	:au CmdwinEnter [/\?]  startinsert
 This will make Vim start in Insert mode in the command-line window.
+Note: The "?" needs to be escaped, as this is a |file-pattern|.  See also
+|cmdline-autocompletion|.
 
 						*cmdwin-char*
 The character used for the pattern indicates the type of command-line: