I'm not fan of "If prefix "0b" is desired or not", I'm not a native english but I think it should be changed. http://bugs.python.org/review/26506/diff/16805/Doc/library/functions.rst File Doc/library/functions.rst (right): http://bugs.python.org/review/26506/diff/16805/Doc/library/functions.rst#new... Doc/library/functions.rst:92: If prefix "0b" is desired or not, you can use either of the following ways. See I'm not a big fan of "is desired or not", why not avoiding it with something like: "When more flexibility is needed, :func:`format` can also format hexadecimal strings:" (If so, please change it on the three different places for consistency). http://bugs.python.org/review/26506/