[2.2.x] Changed docs to link to Python's description of iterable.

Backport of e86cc14bd36734d81c4e490a2453778e33b95a45 from master

1 files changed, 7 insertions, 7 deletions

diff --git a/docs/ref/forms/fields.txt b/docs/ref/forms/fields.txt
index d7bc32c412..aa13d4f021 100644
--- a/docs/ref/forms/fields.txt
+++ b/docs/ref/forms/fields.txt
@@ -407,13 +407,13 @@ For each field, we describe the default widget used if you don't specify
 
     .. attribute:: choices
 
-        Either an iterable (e.g., a list or tuple) of 2-tuples to use as
-        choices for this field, or a callable that returns such an iterable.
-        This argument accepts the same formats as the ``choices`` argument to a
-        model field. See the :ref:`model field reference documentation on
-        choices <field-choices>` for more details. If the argument is a
-        callable, it is evaluated each time the field's form is initialized.
-        Defaults to an empty list.
+        Either an :term:`iterable` of 2-tuples to use as choices for this
+        field, or a callable that returns such an iterable. This argument
+        accepts the same formats as the ``choices`` argument to a model field.
+        See the :ref:`model field reference documentation on choices
+        <field-choices>` for more details. If the argument is a callable, it is
+        evaluated each time the field's form is initialized. Defaults to an
+        empty list.
 
 ``TypedChoiceField``
 --------------------