diff --git a/Doc/library/array.rst b/Doc/library/array.rst
index 18a768d..c7f137d 100644
--- a/Doc/library/array.rst
+++ b/Doc/library/array.rst
@@ -160,8 +160,7 @@
    Read *n* items (as machine values) from the :term:`file object` *f* and append
    them to the end of the array.  If less than *n* items are available,
    :exc:`EOFError` is raised, but the items that were available are still
-   inserted into the array. *f* must be a real built-in file object; something
-   else with a :meth:`read` method won't do.
+   inserted into the array.
 
 
 .. method:: array.fromlist(list)