diff --git a/sbin/setkey/setkey.8 b/sbin/setkey/setkey.8
index 8f7bae139c08..19a916447c36 100644
--- a/sbin/setkey/setkey.8
+++ b/sbin/setkey/setkey.8
@@ -110,7 +110,7 @@ Loop forever and dump all the messages transmitted to
 .Dv PF_KEY
 socket.
 .Fl xx
-makes each timestamps unformatted.
+makes each timestamp unformatted.
 .El
 .Ss Configuration syntax
 With
diff --git a/usr.sbin/ndp/ndp.8 b/usr.sbin/ndp/ndp.8
index 1fb63f815af7..9eabfe42d5a6 100644
--- a/usr.sbin/ndp/ndp.8
+++ b/usr.sbin/ndp/ndp.8
@@ -231,8 +231,8 @@ responding to requests for
 .Ar hostname
 even though the host address is not its own.
 .It Fl t
-Print timestamp on each entry,
-making it possible to merge output with
+Print timestamp for each entry,
+to make it possible to merge the output with
 .Xr tcpdump 1 .
 Most useful when used with
 .Fl A .