Add versionadded info
diff --git a/doc/pyOpenSSL.tex b/doc/pyOpenSSL.tex
index e352c0a..920c72e 100644
--- a/doc/pyOpenSSL.tex
+++ b/doc/pyOpenSSL.tex
@@ -291,6 +291,7 @@
 \var{key} is a \code{PKey} instance.  \var{data} is a \code{str} instance.
 \var{digest} is a \code{str} naming a supported message digest type, for example
 \code{``sha1''}.
+\versionadded{0.11}
 \end{funcdesc}
 
 \begin{funcdesc}{verify}{certificate, signature, data, digest}
@@ -301,6 +302,7 @@
 the signature itself.  \var{data} is a \var{str} instance giving the data to
 which the signature applies.  \var{digest} is a \var{str} instance naming the
 message digest type of the signature, for example \code{``sha1''}.
+\versionadded{0.11}
 \end{funcdesc}
 
 \subsubsection{X509 objects \label{openssl-x509}}