diff --git a/Doc/library/ipaddress.rst b/Doc/library/ipaddress.rst
index ead841b0581..f58c0ea75a4 100644
--- a/Doc/library/ipaddress.rst
+++ b/Doc/library/ipaddress.rst
@@ -990,7 +990,7 @@ The module also provides the following module level functions:
 .. function:: collapse_addresses(addresses)
 
    Return an iterator of the collapsed :class:`IPv4Network` or
-   :class:`IPv6Network` objects.  *addresses* is an iterator of
+   :class:`IPv6Network` objects.  *addresses* is an :term:`iterable` of
    :class:`IPv4Network` or :class:`IPv6Network` objects.  A :exc:`TypeError` is
    raised if *addresses* contains mixed version objects.
 
diff --git a/Lib/ipaddress.py b/Lib/ipaddress.py
index 8e4d49c8595..9cef275f7ae 100644
--- a/Lib/ipaddress.py
+++ b/Lib/ipaddress.py
@@ -310,7 +310,7 @@ def collapse_addresses(addresses):
                            [IPv4Network('192.0.2.0/24')]
 
     Args:
-        addresses: An iterator of IPv4Network or IPv6Network objects.
+        addresses: An iterable of IPv4Network or IPv6Network objects.
 
     Returns:
         An iterator of the collapsed IPv(4|6)Network objects.