diff --git a/src/caoscrawler/scanner.py b/src/caoscrawler/scanner.py
index e01ca767e79ad433c2f29ae37547349eea695c74..ff6acda7ddb21c7e33b4f45aebaa61e8f52e27ea 100644
--- a/src/caoscrawler/scanner.py
+++ b/src/caoscrawler/scanner.py
@@ -294,7 +294,8 @@ def scanner(items: list[StructureElement],
 
         Each function is a dictionary:
 
-        - The key is the name of the function to be looked up in the dictionary of registered transformer functions.
+        - The key is the name of the function to be looked up in the dictionary of registered
+          transformer functions.
         - The value is the function which needs to be of the form:
             def func(in_value: Any, in_parameters: dict) -> Any:
                 pass