diff --git a/doc/doc_ch/recognition.md b/doc/doc_ch/recognition.md
index 44270308676f002f16119e0b98ecf2b8568f97bc..d95760242fbea3b04719d5e115f273aba3d6834f 100644
--- a/doc/doc_ch/recognition.md
+++ b/doc/doc_ch/recognition.md
@@ -160,7 +160,7 @@ Global:
   # 训练时添加数据增强
   distort: true
   # 识别空格
-  add_space: true
+  use_space_char: true
   ...
   # 修改reader类型
   reader_yml: ./configs/rec/rec_chinese_reader.yml
diff --git a/doc/doc_en/recognition_en.md b/doc/doc_en/recognition_en.md
index ec301c83a6fabc0e19540710557e4997cc4dde7c..ac1bc2f335bd9470924c7e5934265a23b26342c6 100644
--- a/doc/doc_en/recognition_en.md
+++ b/doc/doc_en/recognition_en.md
@@ -161,7 +161,7 @@ Global:
   # Whether to use data augmentation
   distort: true
   # Whether to recognize spaces
-  add_space: true
+  use_space_char: true
   ...
 
 ...