+++ doc/spec/control-spec.txt   (working copy)
@@ -161,6 +161,13 @@
   SETCONF command arrives containing a single ORBindAddress value, the new
   command's value replaces the two old values.

+  Somtimes it is not possible to set configuration options by issuing a series
+  of SETCONF commands because the value of one of the configuration options is
+  dependent on the value of another, which has not yet been set. Such situations
+  can be overcome by setting multiple configuration options with a single SETCONF
+  command (e.g. SETCONF ORPort=443 ORListenAddress=9001).
+
+
 3.2. RESETCONF

   Remove all settings for a given configuration option entirely, assign