libcurl-security.3: update to new CURLOPT_REDIR_PROTOCOLS defaults

follow-up to 6080ea098
diff --git a/docs/libcurl/libcurl-security.3 b/docs/libcurl/libcurl-security.3
index 0cfddde..cdb9791 100644
--- a/docs/libcurl/libcurl-security.3
+++ b/docs/libcurl/libcurl-security.3
@@ -5,7 +5,7 @@
 .\" *                            | (__| |_| |  _ <| |___
 .\" *                             \___|\___/|_| \_\_____|
 .\" *
-.\" * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
 .\" *
 .\" * This software is licensed as described in the file COPYING, which
 .\" * you should have received as part of this distribution. The terms
@@ -97,8 +97,8 @@
 The \fICURLOPT_FOLLOWLOCATION(3)\fP option automatically follows HTTP
 redirects sent by a remote server.  These redirects can refer to any kind of
 URL, not just HTTP. libcurl restricts the protocols allowed to be used in
-redirects for security reasons: FILE, SCP, SMB and SMBS are disabled by
-default. Applications are encouraged to restrict that set further.
+redirects for security reasons: only HTTP, HTTPS and FTP are enabled by
+default. Applications may opt to restrict thus set further.
 
 A redirect to a file: URL would cause the libcurl to read (or write) arbitrary
 files from the local filesystem.  If the application returns the data back to