Update Doc/library/io.rst

marcelm · StanFromIreland · web-flow · commit 3b71960ce5ec · 2026-06-04T17:23:45.000+02:00
Co-authored-by: Stan Ulbrych &lt;stan@python.org&gt;
diff --git a/Doc/library/io.rst b/Doc/library/io.rst
@@ -747,7 +747,7 @@ than raw I/O does.
       The number of read bytes depends on the buffer size
       and the current position in the internal buffer.
 
-      .. versionadded:: 3.15
+      .. versionadded:: next
 
    .. method:: read1(size=-1, /)
 
