Merge branch 'allow-any-iterable-for-choices'

1 files changed, 4 insertions, 3 deletions

diff --git a/docs/ref/models/fields.txt b/docs/ref/models/fields.txt
index da5fe9bf60..6cf235c637 100644
--- a/docs/ref/models/fields.txt
+++ b/docs/ref/models/fields.txt
@@ -80,9 +80,10 @@ If a field has ``blank=False``, the field will be required.
 
 .. attribute:: Field.choices
 
-An iterable (e.g., a list or tuple) of 2-tuples to use as choices for this
-field. If this is given, the default form widget will be a select box with
-these choices instead of the standard text field.
+An iterable (e.g., a list or tuple) consisting itself of iterables of exactly
+two items (e.g. ``[(A, B), (A, B) ...]``) to use as choices for this field. If
+this is given, the default form widget will be a select box with these choices
+instead of the standard text field.
 
 The first element in each tuple is the actual value to be stored, and the
 second element is the human-readable name. For example::