diff --git a/Lib/_abcoll.py b/Lib/_abcoll.py
index 113507a..c241a95 100644
--- a/Lib/_abcoll.py
+++ b/Lib/_abcoll.py
@@ -207,9 +207,9 @@
         '''Construct an instance of the class from any iterable input.
 
         Must override this method if the class constructor signature
-        will not accept a frozenset for an input.
+        does not accept an iterable for an input.
         '''
-        return cls(frozenset(it))
+        return cls(it)
 
     def __and__(self, other):
         if not isinstance(other, Iterable):