diff --git a/monitoring/check_lastdate.sh b/monitoring/check_lastdate.sh
index 9179efb..f8d1b25 100755
--- a/monitoring/check_lastdate.sh
+++ b/monitoring/check_lastdate.sh
@@ -13,7 +13,7 @@ OPTIND=1
 while getopts "hF:C:W:" opt; do
     case "$opt" in
     h)
-	echo "Usage: $0 [-h] [-w warning (default: $warning)] [-c critical (default: $critical) -F <filename>]"	
+	echo "Usage: $0 [-h] [-w <warning> (default: $warning)] [-c <critical> (default: $critical) -F <filename>]"	
 	exit 3
 	;;
     W)
diff --git a/monitoring/check_postgresql_replication.sh b/monitoring/check_postgresql_replication.sh
index 824838a..d75302e 100755
--- a/monitoring/check_postgresql_replication.sh
+++ b/monitoring/check_postgresql_replication.sh
@@ -14,7 +14,7 @@ critical=3600
 
 while :; do
 	case "$1" in
-		-h) echo "Usage $0: [-h] [-w warning (default: $warning)] [-c critical (default: $critical)]"
+		-h) echo "Usage: $0 [-h] [-w <warning> (default: $warning)] [-c <critical> (default: $critical)]"
 		    shift;
 		    exit 2;
 		    ;;