diff --git a/share/man/man7/tuning.7 b/share/man/man7/tuning.7
index 7073760cf087..87b01c504afa 100644
--- a/share/man/man7/tuning.7
+++ b/share/man/man7/tuning.7
@@ -343,7 +343,7 @@ connections in a heavily loaded web server environment.  For such environments,
 we recommend increasing this value to 1024 or higher.  The service daemon
 may itself limit the listen queue size (e.g. sendmail, apache) but will
 often have a directive in its configuration file to adjust the queue size up.
-Larger listen queue also do a better job of fending of denial of service
+Larger listen queue also do a better job of fending off denial of service
 attacks.
 .Pp
 The