document new Context method and regenerate the docs
diff --git a/doc/pyOpenSSL.tex b/doc/pyOpenSSL.tex
index 9039856..f732859 100644
--- a/doc/pyOpenSSL.tex
+++ b/doc/pyOpenSSL.tex
@@ -794,6 +794,11 @@
Use the certificate \var{cert} which has to be a X509 object.
\end{methoddesc}
+\begin{methoddesc}[Context]{add_extra_chain_cert}{cert}
+Adds the certificate \var{cert}, which has to be a X509 object, to the
+certificate chain presented together with the certificate.
+\end{methoddesc}
+
\begin{methoddesc}[Context]{use_certificate_chain_file}{file}
Load a certificate chain from \var{file} which must be PEM encoded.
\end{methoddesc}