diff --git a/doc/doc_en/algorithm_det_db_en.md b/doc/doc_en/algorithm_det_db_en.md
index b0c332c2ed277208501fd181c10708076c6f600c..fde344c3572f771e3e0fe5f9f62282cd1ae0a024 100644
--- a/doc/doc_en/algorithm_det_db_en.md
+++ b/doc/doc_en/algorithm_det_db_en.md
@@ -1,4 +1,4 @@
-# DB and DB++
+# DB && DB++
 
 - [1. Introduction](#1)
 - [2. Environment](#2)
diff --git a/doc/doc_en/algorithm_overview_en.md b/doc/doc_en/algorithm_overview_en.md
index e7e6758541ba2c3f464c5ce83134df45111e49b8..21c7426d6e27bee1582fc0da9fe5a8c8266209b2 100755
--- a/doc/doc_en/algorithm_overview_en.md
+++ b/doc/doc_en/algorithm_overview_en.md
@@ -17,7 +17,7 @@ This tutorial lists the OCR algorithms supported by PaddleOCR, as well as the mo
 ### 1.1 Text Detection Algorithms
 
 Supported text detection algorithms (Click the link to get the tutorial):
-- [x]  [DB and DB++](./algorithm_det_db_en.md)
+- [x]  [DB && DB++](./algorithm_det_db_en.md)
 - [x]  [EAST](./algorithm_det_east_en.md)
 - [x]  [SAST](./algorithm_det_sast_en.md)
 - [x]  [PSENet](./algorithm_det_psenet_en.md)