diff --git a/docs/docresources/autorec.png b/docs/docresources/autorec.png
index 68422659..7917c042 100644
Binary files a/docs/docresources/autorec.png and b/docs/docresources/autorec.png differ
diff --git a/docs/html/autorec.html b/docs/html/autorec.html
index 89115c32..c6b53846 100644
--- a/docs/html/autorec.html
+++ b/docs/html/autorec.html
@@ -1,5 +1,5 @@
 <div class="hts-doc-text">
-The 'Automatic Recorder' is used to create rules that will trig
+The 'Automatic Recorder' is used to create rules that will trigger
 automatic recording of events. You can use this to record you favorite
 TV show(s), record all movies on a specific channel, etc.
 <p>
@@ -62,6 +62,10 @@ The columns have the following functions:
   <dd>
   Only match events belonging to the given content group.
 
+  <dt>Duration
+  <dd>
+  Only match events that fall within the specified duration range.
+
   <dt>Weekdays
   <dd>
   Only record events if they occur on one of these days. By default all days