From 70edd88d351a83288f4ad0e035d5d8b5e020e5fc Mon Sep 17 00:00:00 2001
From: Zero <Zeroto521@gmail.com>
Date: Thu, 20 Oct 2022 22:04:32 +0800
Subject: [PATCH] use code mark

---
 dtoolkit/accessor/index/filter.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dtoolkit/accessor/index/filter.py b/dtoolkit/accessor/index/filter.py
index 8c87b3b81..e9cd2ee0b 100644
--- a/dtoolkit/accessor/index/filter.py
+++ b/dtoolkit/accessor/index/filter.py
@@ -30,7 +30,7 @@ def filter(
         Keep labels from axis for which "like in label == True".
 
     regex : str (regular expression)
-        Keep labels from axis for which re.search(regex, label) == True.
+        Keep labels from axis for which ``re.search(regex, label) == True``.
 
     complement : bool, default False
         If True, return the complement of the result.