diff --git a/Water quality calibration/readme.md b/Water quality calibration/readme.md
index 7c4a25330a6c598938a15b5fae1c0d8e6908d803..a59f90f5473e869616b1eb0f6c789e9eb3f4d53a 100644
--- a/Water quality calibration/readme.md	
+++ b/Water quality calibration/readme.md	
@@ -3,6 +3,9 @@
 check_column_names_res1d.ipnyb:
 - quick code to access res1d files to see what names the result files for specific reach or node names have
 
+param_spec_unit_factor.ipynb:
+- short script to access the unit factors used in the model to use in the parameter_config.xlsx
+
 optimization_prep:
 - contains the optimization preparation to create the 
 - uses a gaussian filter to smooth the data and cross correlation to consider errors in the hydrological model
@@ -31,7 +34,7 @@ event_dict.xlsx:
 
 parameter config.xlsx:
 - this table contains the parameters that should be calibrated and also the min and amx values for the calibration
-- as there might be some unit difference between the python input and that in MIKE+ itself, unitfactors are given for the parameters, which were investigated here. All further parametern need to be looked up
+- as there might be some unit difference between the python input and that in MIKE+ itself, unitfactors are given for the parameters, which were investigated here. All further parametern need to be looked up. A script to help is "param_spec_unit_factor.ipynb"
 - to use it directly just fill out columns D, J and K
 - the second sheet "sqlite_table_names" contains all names to look for the the MUID to access the parameters