From b6bb77c2b8e83ba6cb845c7b512ac564276e854f Mon Sep 17 00:00:00 2001
From: =?utf8?q?Andr=C3=A9s=20Delfino?= <adelfino@gmail.com>
Date: Sat, 7 Jul 2018 17:17:16 -0300
Subject: [PATCH] bpo-33804: Document that the argument for
 io.TextIOBase.read() is optional (GH-7510)

---
 Doc/library/io.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index f2e0fdbc5b..98649de731 100644
--- a/Doc/library/io.rst
+++ b/Doc/library/io.rst
@@ -799,7 +799,7 @@ Text I/O
 
       .. versionadded:: 3.1
 
-   .. method:: read(size)
+   .. method:: read(size=-1)
 
       Read and return at most *size* characters from the stream as a single
       :class:`str`.  If *size* is negative or ``None``, reads until EOF.
-- 
2.40.0