man: fix typo in systemd.unit man page

This commit fixes a minor typo: "setttings" -> "settings".

man/systemd.unit.xml

@@ -730,7 +730,7 @@
         <listitem><para>These two settings expect a space-separated list of unit names. They may be specified
         more than once, in which case dependencies for all listed names are created.</para>
 
-        <para>Those two setttings configure ordering dependencies between units. If unit
+        <para>Those two settings configure ordering dependencies between units. If unit
         <filename>foo.service</filename> contains the setting <option>Before=bar.service</option> and both
         units are being started, <filename>bar.service</filename>'s start-up is delayed until
         <filename>foo.service</filename> has finished starting up. <varname>After=</varname> is the inverse

src/network/networkd-dhcp-server.c

@@ -45,7 +45,7 @@ static int link_push_uplink_dns_to_dhcp_server(Link *link, sd_dhcp_server *s) {
         size_t n_addresses = 0, n_allocated = 0;
         unsigned i;
 
-        log_link_debug(link, "Copying DNS server information from %s", link->ifname);
+        log_link_debug(link, "Copying DNS server information from link");
 
         if (!link->network)
                 return 0;
@@ -99,7 +99,7 @@ static int link_push_uplink_ntp_to_dhcp_server(Link *link, sd_dhcp_server *s) {
         if (!link->network)
                 return 0;
 
-        log_link_debug(link, "Copying NTP server information from %s", link->ifname);
+        log_link_debug(link, "Copying NTP server information from link");
 
         STRV_FOREACH(a, link->network->ntp) {
                 union in_addr_union ia;
@@ -148,7 +148,7 @@ static int link_push_uplink_sip_to_dhcp_server(Link *link, sd_dhcp_server *s) {
         if (!link->network)
                 return 0;
 
-        log_link_debug(link, "Copying SIP server information from %s", link->ifname);
+        log_link_debug(link, "Copying SIP server information from link");
 
         STRV_FOREACH(a, link->network->sip) {
                 union in_addr_union ia;