diff --git a/docs/source/sls/algorithm.rst b/docs/source/sls/algorithm.rst
index c01623632e5046ce936c8d039cb2645919b43bbc..23a39ea4981042610c05141dfae56cf20379dc3e 100644
--- a/docs/source/sls/algorithm.rst
+++ b/docs/source/sls/algorithm.rst
@@ -10,7 +10,7 @@ Instrument correction
     - GU: ″ field of view from 255-400nm with a plate scale of ″/pixel.
     - GV: ″ field of view from 400-620nm with a plate scale of ″/pixel.
     - GI: ″ field of view from 620-1000nm with a plate scale of ″/pixel.
-该程序将顺序执行一系列的效应改正，生成单次曝光的改正后数据产品。该程序是用Python语言实现，开源地址：code_。
+该程序将顺序执行一系列的探测器效应改正，生成单次曝光的改正后数据产品。该程序是用Python语言实现，开源地址：code_。
 
 .. _code: https://csst-tb.bao.ac.cn/code/csst-l1/sls/csst_ms_sls_instrument