Adjust documentation for Connection.pending
diff --git a/doc/pyOpenSSL.tex b/doc/pyOpenSSL.tex
index da4c19b..678fb74 100644
--- a/doc/pyOpenSSL.tex
+++ b/doc/pyOpenSSL.tex
@@ -895,7 +895,8 @@
\end{methoddesc}
\begin{methoddesc}[Connection]{pending}{}
-Retrieve the number of bytes that can be safely read from the SSL buffer.
+Retrieve the number of bytes that can be safely read from the SSL buffer
+(\emph{not} the underlying transport buffer).
\end{methoddesc}
\begin{methoddesc}[Connection]{recv}{bufsize}