diff --git a/HISTORY b/HISTORY
index 7f4494d1..141fadba 100644
--- a/HISTORY
+++ b/HISTORY
@@ -9833,10 +9833,12 @@ Video Disk Recorder Revision History
 - Avoiding a zero sized array in cDevice::GetDevice() (thanks to Marko Mäkelä).
 - Now checking the video directory after setting the user id.
 
-2022-12-24:
+2022-12-26:
 
 - Updated the Italian OSD texts (thanks to Diego Pierotto).
 - Fixed restoring the volume at program start (thanks to Matthias Senzel).
 - Fixed symmetry of Begin/EndSegmentTransfer() calls in cEIT::cEIT() (thanks to
   Jörg Wendel).
 - Added a note to epg.h about not messing with event ids (suggested by Winfried Köhler).
+- Added a note to vdr.5 about event ids possibly changing when an event moves from
+  one table to another.
diff --git a/vdr.5 b/vdr.5
index 430290bd..142c87c3 100644
--- a/vdr.5
+++ b/vdr.5
@@ -8,7 +8,7 @@
 .\" License as specified in the file COPYING that comes with the
 .\" vdr distribution.
 .\"
-.\" $Id: vdr.5 5.7 2022/11/14 16:25:58 kls Exp $
+.\" $Id: vdr.5 5.8 2022/12/26 13:24:09 kls Exp $
 .\"
 .TH vdr 5 "27 Dec 2021" "2.6" "Video Disk Recorder Files"
 .SH NAME
@@ -917,7 +917,7 @@ tab (@);
 l l.
 <channel id>   @is the "channel ID", made up from the parameters defined in 'channels.conf'
 <channel name> @is the "name" as in 'channels.conf' (for information only, may be left out)
-<event id>     @is a 32 bit unsigned int, uniquely identifying this event
+<event id>     @is a 32 bit unsigned int, uniquely identifying this event (see note)
 <start time>   @is the time (as a time_t integer) in UTC when this event starts
 <duration>     @is the time (in seconds) that this event will take
 <table id>     @is a hex number that indicates the table this event is contained in (if this is left empty it will be set to 0x00; and value less than 0x4E it will be treated as if it were 0x4E)
@@ -942,6 +942,8 @@ Note that the \fBevent id\fR that comes from the DVB data stream is actually
 just 16 bit wide. The internal representation in VDR allows for 32 bit to
 be used, so that external tools can generate EPG data that is guaranteed
 not to collide with the ids of existing data.
+Also note that some broadcasters change the \fBevent id\fR when an event is moved
+from one table to another.
 
 The \fBauxiliary data\fR can be used for plugin specific purposes and has no meaning
 whatsoever to VDR itself. It will \fBnot\fR be written into the \fIinfo\fR file of