From c3e33a3405accb7c428c30b3956518b1f146288b Mon Sep 17 00:00:00 2001
From: Ashley Blewer <ashley.blewer@gmail.com>
Date: Thu, 21 Jul 2016 17:16:38 -0400
Subject: [PATCH] links to idet filters and paper expanding subject

---
 index.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index.html b/index.html
index cf7c747..3bc2756 100644
--- a/index.html
+++ b/index.html
@@ -646,7 +646,7 @@
           <dl>
             <dt>ffmpeg</dt><dd>starts the command</dd>
             <dt>-i <i>input_file</i></dt><dd>path, name and extension of the input file</dd>
-            <dt>-vf idet</dt><dd>This calls the <a href="http://www.tate.org.uk/research/publications/sustaining-consistent-video-presentation">idet (detect video interlacing type) filter</a>.</dd>
+            <dt>-vf idet</dt><dd>This calls the  <a href="https://ffmpeg.org/ffmpeg-filters.html#idet">idet (detect video interlacing type) filter</a>.</dd>
             <dt>-f null</dt><dd>Video is decoded with the <code>null</code> muxer. This allows video decoding without creating an output file.</dd>
             <dt>-</dt><dd>FFmpeg syntax requires a specified output, and <code>-</code> is just a place holder. No file is actually created. </dd>
           </dl>