[3.13] Docs: fix typo in Doc/howto/mro.rst (GH-129095) (GH-129122)

(cherry picked from commit da310d2)

Co-authored-by: smelnikov <[email protected]>

Author: miss-islington

Doc/howto/mro.rst

@@ -398,7 +398,7 @@ with inheritance diagram
 
 We see that class G inherits from F and E, with F *before* E:  therefore
 we would expect the attribute *G.remember2buy* to be inherited by
-*F.rembermer2buy* and not by *E.remember2buy*:  nevertheless Python 2.2
+*F.remember2buy* and not by *E.remember2buy*:  nevertheless Python 2.2
 gives
 
   >>> G.remember2buy  # doctest: +SKIP