diff --git a/corrlib/input/sfcf.py b/corrlib/input/sfcf.py
index c8a5d46..79532e9 100644
--- a/corrlib/input/sfcf.py
+++ b/corrlib/input/sfcf.py
@@ -194,7 +194,7 @@ def _map_params(params: dict, spec_list: list) -> dict[str, Any]:
         The parameters extracted from the parameter (input) file. in the dict form given by read_param.
     spec_list: list
         The list of specifications that belongs to the dorrelator in question.
-    
+
     Return
     ------
     new_specs: dict