[3.12] Fix typo in sys docs (GH-111196) (#111248)

Co-authored-by: James Tocknell <aragilar+github@gmail.com>
Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>

diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 3782d1e6c6f20a54900303b090397802bdf678cf..e0668b8f3614d03e356a0caed0771dbc36ea1fc2 100644 (file)
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -1778,7 +1778,7 @@ always available.
       However, if you are writing a library (and do not control in which
       context its code will be executed), be aware that the standard streams
       may be replaced with file-like objects like :class:`io.StringIO` which
-      do not support the :attr:!buffer` attribute.
+      do not support the :attr:`!buffer` attribute.
 
 
 .. data:: __stdin__