Fix SF bug 587012, doc mentions inexistent builtin unistr
diff --git a/Doc/api/abstract.tex b/Doc/api/abstract.tex
index d27e383..3331dcc 100644
--- a/Doc/api/abstract.tex
+++ b/Doc/api/abstract.tex
@@ -166,8 +166,8 @@
Compute a Unicode string representation of object \var{o}. Returns
the Unicode string representation on success, \NULL{} on failure.
This is the equivalent of the Python expression
- \samp{unistr(\var{o})}. Called by the
- \function{unistr()}\bifuncindex{unistr} built-in function.
+ \samp{unicode(\var{o})}. Called by the
+ \function{unicode()}\bifuncindex{unicode} built-in function.
\end{cfuncdesc}
\begin{cfuncdesc}{int}{PyObject_IsInstance}{PyObject *inst, PyObject *cls}