- fast-reload, document that tag change causes drop of queries.

diff --git a/doc/unbound-control.8.in b/doc/unbound-control.8.in
index 4bc20a9a09e48a7295c7d7806dc43b741a9f0ac3..1940f12114c7fd5edbd642ba62dc99c69d76eb52 100644 (file)
--- a/doc/unbound-control.8.in
+++ b/doc/unbound-control.8.in
@@ -94,6 +94,12 @@ working on. This is like flush_requestlist. Without it the queries are kept
 so that users keep getting answers for those queries that are currently
 processed. The drop makes it so that queries during the life time of the
 query processing see only old, or only new config options.
+.IP
+When there are changes to the config tags, from \fBdefine\-tag\fR config, 
+then the '+d' option is turned on with a warning printout, and queries are
+dropped. This is to stop references to the old tag information, by the old
+queries. If the number of tags is increased in the newly loaded config, by
+adding tags at the end, then the '+d' option is not needed.
 .TP
 .B verbosity \fInumber
 Change verbosity value for logging. Same values as \fBverbosity\fR keyword in