From 131fe6164625d97691d2a9f6ff8b31bf66557257 Mon Sep 17 00:00:00 2001
From: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Date: Thu, 10 Jul 2025 17:31:08 +0200
Subject: [PATCH] gh-82663: Clarify `codecs.iterdecode/encode` docs (GH-136497)

Closes GH-82663
(cherry picked from commit 4b41b2043b110a38616ff86ddb3f065ae7f15c3e)

Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
---
 Doc/library/codecs.rst | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Doc/library/codecs.rst b/Doc/library/codecs.rst
index 0e84f18dd4d5d5..37bd913b765d21 100644
--- a/Doc/library/codecs.rst
+++ b/Doc/library/codecs.rst
@@ -243,8 +243,8 @@ wider range of codecs when working with binary files:
 .. function:: iterencode(iterator, encoding, errors='strict', **kwargs)
 
    Uses an incremental encoder to iteratively encode the input provided by
-   *iterator*. This function is a :term:`generator`.
-   The *errors* argument (as well as any
+   *iterator*. *iterator* must yield :class:`str` objects.
+   This function is a :term:`generator`. The *errors* argument (as well as any
    other keyword argument) is passed through to the incremental encoder.
 
    This function requires that the codec accept text :class:`str` objects
@@ -255,8 +255,8 @@ wider range of codecs when working with binary files:
 .. function:: iterdecode(iterator, encoding, errors='strict', **kwargs)
 
    Uses an incremental decoder to iteratively decode the input provided by
-   *iterator*. This function is a :term:`generator`.
-   The *errors* argument (as well as any
+   *iterator*. *iterator* must yield :class:`bytes` objects.
+   This function is a :term:`generator`. The *errors* argument (as well as any
    other keyword argument) is passed through to the incremental decoder.
 
    This function requires that the codec accept :class:`bytes` objects