--- a/eric6/Project/UserProjectFile.py	Thu Jan 28 11:49:28 2021 +0100
+++ b/eric6/Project/UserProjectFile.py	Thu Jan 28 11:53:25 2021 +0100
@@ -31,7 +31,7 @@
         
         @param project reference to the project object
         @type Project
-        @param parent reference to the parent object
+        @param parent reference to the parent object (defaults to None)
         @type QObject (optional)
         """
         super(UserProjectFile, self).__init__(parent)