diff --git a/lib/libbsnmp/modules/snmp_netgraph/snmp_netgraph.3 b/lib/libbsnmp/modules/snmp_netgraph/snmp_netgraph.3
index 39eddb9ac040..8fa9cc5cdfc8 100644
--- a/lib/libbsnmp/modules/snmp_netgraph/snmp_netgraph.3
+++ b/lib/libbsnmp/modules/snmp_netgraph/snmp_netgraph.3
@@ -357,7 +357,7 @@ The function
 .Fn ng_mkpeer_id
 creates a new node of type
 .Fa type
-who's hook
+whose hook
 .Fa peerhook
 will be connected to
 .Fa hook
diff --git a/share/man/man9/bus_dma.9 b/share/man/man9/bus_dma.9
index cf51f02f7ac6..4e95b92f94ce 100644
--- a/share/man/man9/bus_dma.9
+++ b/share/man/man9/bus_dma.9
@@ -149,7 +149,7 @@ Client specified address filter having the format:
 .El
 .sp
 Address filters can be specified during tag creation to allow
-for devices who's DMA address restrictions cannot be specified
+for devices whose DMA address restrictions cannot be specified
 by a single window.
 The
 .Fa filtarg
diff --git a/usr.sbin/bsnmpd/modules/snmp_netgraph/snmp_netgraph.3 b/usr.sbin/bsnmpd/modules/snmp_netgraph/snmp_netgraph.3
index 39eddb9ac040..8fa9cc5cdfc8 100644
--- a/usr.sbin/bsnmpd/modules/snmp_netgraph/snmp_netgraph.3
+++ b/usr.sbin/bsnmpd/modules/snmp_netgraph/snmp_netgraph.3
@@ -357,7 +357,7 @@ The function
 .Fn ng_mkpeer_id
 creates a new node of type
 .Fa type
-who's hook
+whose hook
 .Fa peerhook
 will be connected to
 .Fa hook