diff --git a/doc/man/man1/sinfo.1 b/doc/man/man1/sinfo.1
index 43dddef236bc97a178bd10cdc32a65c003dfb09d..c85bafee8cb08d9b6e3f42977f56898a1ebabcc5 100644
--- a/doc/man/man1/sinfo.1
+++ b/doc/man/man1/sinfo.1
@@ -466,7 +466,7 @@ If set only report state information for responding nodes.
 List reasons nodes are in the down, drained, fail or failing state.
 When nodes are in these states Slurm supports optional inclusion
 of a "reason" string by an administrator.
-This option will display the first 35 characters of the reason
+This option will display the first 20 characters of the reason
 field and list of nodes with that reason for all nodes that are,
 by default, down, drained, draining or failing.
 This option may be used with other node filtering options