diff --git a/doc/man/man5/slurm.conf.5 b/doc/man/man5/slurm.conf.5
index d71a9d61444daea077835b1f88269f86cf40a00b..d703f1074d41266e92870089cc12c23d3f7b0411 100644
--- a/doc/man/man5/slurm.conf.5
+++ b/doc/man/man5/slurm.conf.5
@@ -188,6 +188,7 @@ system). The default value is "/tmp/slurmd".
 The interval, in seconds, that the SLURM controller waits for \fBslurmd\fR 
 to respond before configuring that node's state to DOWN. 
 The default value is 300 seconds.
+A value of zero indicates the node should never be set DOWN if not respnding.
 .TP
 \fBStateSaveLocation\fR
 Fully qualified pathname of a directory into which the slurm controller,