add missing return value info for PyDict_DelItem

diff --git a/Doc/api/concrete.tex b/Doc/api/concrete.tex
index 13f1f0ab818063bd4772f9720fdb3186c56a0530..5c71b3a6cc9c3e4c00ecdb0cbe1ef92a1d7303eb 100644 (file)
--- a/Doc/api/concrete.tex
+++ b/Doc/api/concrete.tex
@@ -1727,7 +1727,7 @@ format.
 \begin{cfuncdesc}{int}{PyDict_DelItem}{PyObject *p, PyObject *key}
   Removes the entry in dictionary \var{p} with key \var{key}.
   \var{key} must be hashable; if it isn't, \exception{TypeError} is
-  raised.
+  raised.  Returns \code{0} on success or \code{-1} on failure.
 \end{cfuncdesc}
 
 \begin{cfuncdesc}{int}{PyDict_DelItemString}{PyObject *p, char *key}