Update algorithm.rst

docs/source/sls/algorithm.rst

@@ -11,6 +11,7 @@ Instrument correction
     - 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：reference_。
+
 .. _reference: https://csst-tb.bao.ac.cn/code/csst-l1/sls/csst_ms_sls_instrument
 
 Position calibration