diff --git a/centreon-plugins/os/windows/snmp/mode/swap.pm b/centreon-plugins/os/windows/snmp/mode/swap.pm
index 0fec3013b..62e949dba 100644
--- a/centreon-plugins/os/windows/snmp/mode/swap.pm
+++ b/centreon-plugins/os/windows/snmp/mode/swap.pm
@@ -152,8 +152,8 @@ Threshold critical in percent.
 
 =item B<--real-swap>
 
-Use this option to remove physical
-memory from Windows SNMP swap values.
+Use this option to remove physical memory from Windows SNMP swap values.
+Using that option can give wrong values (incoherent or negative).
 
 =back