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-rw-r--r--Doc/library/io.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index f2e0fdb..98649de 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.