Document the new meaning of debug bit 4

diff --git a/doc/source/p-config.sgml b/doc/source/p-config.sgml
index 83ee131..eb75d4e 100644 (file)
--- a/doc/source/p-config.sgml
+++ b/doc/source/p-config.sgml
@@ -1018,7 +1018,7 @@ actionsfile
     <programlisting>
   debug     1 # Log the destination for each request. See also debug 1024.
   debug     2 # show each connection status
-  debug     4 # show I/O status
+  debug     4 # show tagging-related messages
   debug     8 # show header parsing
   debug    16 # log all data written to the network
   debug    32 # debug force feature