* Doc updates regarding msgrate

doc/UPDATES

@@ -119,7 +119,7 @@
   * set 'fight-threshold' now requires +protect and is a trigger for +protect. See 'help chanset' for +protect info.
   * Bots no longer cycle channels when restarting/upgrading. (This will take effect AFTER upgrading to 1.3)
   * Speedup irc server queue by bursting more often and fully. Thanks VXP.
-  * Add set 'msgrate' to define how often to dequeue to the server. (1 or 2 is good)
+  * Add set 'msgrate' to define how often to dequeue to the server, if non-ratbox.
   * Add set 'msgburst' to define how many commands to burst to server per msgrate.
   * On hybrid/ratbox servers, burst some commands on connect
   * On ratbox type servers, use an optimized queue for better throughput on the queue.

doc/help.txt

@@ -1656,7 +1656,8 @@ See also: reload, backup
 [L]  $bservers6$b        Comma-separated list of servers the bot will use (FOR IPv6).
  
 [N]  $bmsgburst$b        How many messages to burst at once to server. (Too high will excess flood)
-[N]  $bmsgrate$b         How often (seconds) to dequeue msgs to the server. (1 or 2 is good)
+[N]  $bmsgrate$b         How often (msecs) to dequeue msgs to the server. Only used on
+                           non-ratbox servers. Too small a value can result in Excess Flood.
 
 [L]  $brbl-servers$b     Servers to use for RBL checking in channels that are +rbl.