SF bug #1020540: a wrong link from "frame object" in lib index

Doc/lib/libsignal.tex

@@ -139,9 +139,10 @@ The \module{signal} module defines the following functions:
   \exception{ValueError} exception to be raised.
 
   The \var{handler} is called with two arguments: the signal number
-  and the current stack frame (\code{None} or a frame object; see the
-  reference manual for a description of frame objects).
-\obindex{frame}
+  and the current stack frame (\code{None} or a frame object;
+  for a description of frame objects, see the reference manual section
+  on the standard type hierarchy or see the attribute descriptions in
+  the \refmodule{inspect} module).
 \end{funcdesc}
 
 \subsection{Example}