diff --git a/soitool/module_list.py b/soitool/module_list.py
index ef41005b8e66b156b1030e841341d014db6b24ca..9c4b9ba9795ce4dca060f7b839e5236cbb7b6a75 100644
--- a/soitool/module_list.py
+++ b/soitool/module_list.py
@@ -21,16 +21,15 @@ class ModuleList(QListWidget):
     ----------
     module_type : int
         Determines whether names are from modules or attachment-modules.
-        Is used with the Enum 'ModuleType' to know which SOI-list to update
-        when changes are made.
+        Is used with the Enum 'ModuleType' to know which SOI-list (modules or
+        attachments) to update when changes are made.
     soi : soitool.soi.SOI
-        Reference to SOI.
+        Reference to SOI-instance.
     """
 
     def __init__(self, module_type, soi):
         super().__init__()
 
-        # full import path below to avoid circular dependency
         if not isinstance(soi, SOI):
             raise RuntimeError(
                 "Only soitool.SOIWorkspaceWidget is "