Oops, one more caret.

Doc/api/api.tex

@@ -1770,7 +1770,7 @@ Returns the ``bitwise and'' of \var{o2} and \var{o2} on success and
 \begin{cfuncdesc}{PyObject*}{PyNumber_Xor}{PyObject *o1, PyObject *o2}
 Returns the ``bitwise exclusive or'' of \var{o1} by \var{o2} on success,
 or \NULL{} on failure.  This is the equivalent of the Python
-expression \samp{\var{o1} \^{ }\var{o2}}.
+expression \samp{\var{o1} \textasciicircum{} \var{o2}}.
 \end{cfuncdesc}
 
 \begin{cfuncdesc}{PyObject*}{PyNumber_Or}{PyObject *o1, PyObject *o2}