Update meaning of debug bit 4

diff --git a/doc/source/contacting.sgml b/doc/source/contacting.sgml
index 4272028..640ea7d 100644 (file)
--- a/doc/source/contacting.sgml
+++ b/doc/source/contacting.sgml
@@ -129,7 +129,7 @@
     <literallayout>debug     1 # Log the destination for each request Privoxy let through.
             #   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   128 # debug redirects
 debug   256 # debug GIF de-animation