Fix and/add typo

Doc/api/concrete.tex

@@ -3080,9 +3080,9 @@ either the abstract object protocol (including
 \cfunction{PyObject_IsTrue()}, \cfunction{PyObject_Print()}, and
 \cfunction{PyObject_GetIter()})
 or the abstract number protocol (including
-\cfunction{PyNumber_Add()}, \cfunction{PyNumber_Subtract()},
+\cfunction{PyNumber_And()}, \cfunction{PyNumber_Subtract()},
 \cfunction{PyNumber_Or()}, \cfunction{PyNumber_Xor()},
-\cfunction{PyNumber_InPlaceAdd()}, \cfunction{PyNumber_InPlaceSubtract()},
+\cfunction{PyNumber_InPlaceAnd()}, \cfunction{PyNumber_InPlaceSubtract()},
 \cfunction{PyNumber_InPlaceOr()}, and \cfunction{PyNumber_InPlaceXor()}).
 
 \begin{ctypedesc}{PySetObject}