--- AnyEvent-Watchdog/Watchdog.pm	2009/08/02 15:49:25	1.2
+++ AnyEvent-Watchdog/Watchdog.pm	2009/08/13 22:56:11	1.3
@@ -120,8 +120,7 @@
          sysread $P, my $interval, 1
             or last;
 
-         $heartbeat = ord $interval
-            unless defined $heartbeat;
+         $heartbeat = ord $interval;
 
       } elsif ($cmd eq chr 4) {
          # heartbeat
@@ -271,7 +270,8 @@
 Exit behaviour isn't changed, so if you want a restart instead of an exit,
 you have to call C<autorestart>.
 
-Once enabled, the heartbeat cannot be switched off.
+The heartbeat frequency can be changed as often as you want, an interval
+of C<0> disables the heartbeat check again.
 
 =cut