From 3b932bb275c6e7e072f156cd6efe9ed2ec7d30cf Mon Sep 17 00:00:00 2001
From: panbingkun <panbingkun@baidu.com>
Date: Wed, 15 Jan 2025 17:01:41 +0800
Subject: [PATCH] MINOR: [Docs] Correct ListView example doc in Columnar.rst
 (#45265)

### Rationale for this change
The pr aims to correct an error in doc `Columnar.rst`

### What changes are included in this PR?
Obviously, the value of `Length` below is incorrect, it should be `5`.
<img width="775" alt="image" src="https://github.com/user-attachments/assets/9e53d415-0a6e-4d2b-9822-9eb20456898a" />

### Are these changes tested?
No, only for docs.

### Are there any user-facing changes?
Reduce misunderstandings among end users.

Authored-by: panbingkun <panbingkun@baidu.com>
Signed-off-by: mwish <maplewish117@gmail.com>
---
 docs/source/format/Columnar.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/source/format/Columnar.rst b/docs/source/format/Columnar.rst
index 9ef6a933528f8..e1603e8d8e3f6 100644
--- a/docs/source/format/Columnar.rst
+++ b/docs/source/format/Columnar.rst
@@ -693,7 +693,7 @@ having logical values::
 
 It may have the following representation: ::
 
-    * Length: 4, Null count: 1
+    * Length: 5, Null count: 1
     * Validity bitmap buffer:
 
       | Byte 0 (validity bitmap) | Bytes 1-63            |