--- cvsroot/EV/EV.pm	2007/11/08 02:19:36	1.30
+++ cvsroot/EV/EV.pm	2007/11/08 02:21:02	1.31
@@ -348,7 +348,9 @@
 will be called with the watcher as first, and the current time as second
 argument.
 
-I<This callback MUST NOT stop or destroy the event watcher, ever.>
+I<This callback MUST NOT stop or destroy this or any other periodic
+watcher, ever>. If you need to stop it, return 1e30 and stop it
+afterwards.
 
 It must return the next time to trigger, based on the passed time value
 (that is, the lowest time value larger than to the second argument). It