doc: Fix DocBook table column count declaration

This was broken in 618c9430a82860c84a3be2711eec2c3b43573b2a.

diff --git a/doc/src/sgml/event-trigger.sgml b/doc/src/sgml/event-trigger.sgml
index 02199727720bdc49b5f320eea7ff6e1d7a7c2bcd..156c4639ab9934fded3e0862c53cabbab8398e9a 100644 (file)
--- a/doc/src/sgml/event-trigger.sgml
+++ b/doc/src/sgml/event-trigger.sgml
@@ -123,7 +123,7 @@
 
    <table id="event-trigger-by-command-tag">
      <title>Event Trigger Support by Command Tag</title>
-     <tgroup cols="4">
+     <tgroup cols="5">
       <thead>
        <row>
         <entry>command tag</entry>