Add \versionadded for sftp scheme
diff --git a/Doc/lib/liburlparse.tex b/Doc/lib/liburlparse.tex
index a060cd6..8f80d6b 100644
--- a/Doc/lib/liburlparse.tex
+++ b/Doc/lib/liburlparse.tex
@@ -25,6 +25,7 @@
\code{nntp}, \code{prospero}, \code{rsync}, \code{rtsp}, \code{rtspu},
\code{sftp}, \code{shttp}, \code{sip}, \code{snews}, \code{svn},
\code{svn+ssh}, \code{telnet}, \code{wais}.
+\versionadded[Support for the \code{sftp} scheme]{2.5}
The \module{urlparse} module defines the following functions: