diff --git a/csst_ms_sls2d.md b/csst_ms_sls2d.md
index c2fe52ee4a610d2ca108abc2863894fd17194c2f..96f33cbef51b1dce944816d432769feb9842c3f4 100644
--- a/csst_ms_sls2d.md
+++ b/csst_ms_sls2d.md
@@ -66,11 +66,11 @@
 | DEC_OFF    | 0.0                  | mas in unit                  | -99            | f32  | csst_ms_sls_position |
 | RA_STD     | 127.1                | mas in unit                  | -99            | f32  | csst_ms_sls_position |
 | DEC_STD    | 60.4                 | mas in unit                  | -99            | f32  | csst_ms_sls_position |
-| FIT_STATUS | 0                    | 0 for success, 1 for failure | 1              | i8   | csst_ms_sls_position |
+| FIT_S　　　 | 0                    | 0 for success, 1 for failure | 1              | i8   | csst_ms_sls_position |
 
 #### Header of `csst_ms_sls_qc1`
 | keyword    | value                | comment                      | fallback_value | type | module               |
 | ---------- | :------------------- | ---------------------------- | -------------- | ---- | -------------------- |
-| QC1_STATUS | 0                    | 0 for success, 1 for failure | 1              | i8   | csst_ms_sls_qc1      |
+| QC1_S 　　　| 0                    | 0 for success, 1 for failure | 1              | i8   | csst_ms_sls_qc1      |