diff --git a/docs/man/man8/unitd.8.in b/docs/man/man8/unitd.8.in
index 5f50e561..1425120c 100644
--- a/docs/man/man8/unitd.8.in
+++ b/docs/man/man8/unitd.8.in
@@ -2,7 +2,7 @@
 .\"
 .Dd March 16, 2021
 .Dt unitd 8
-.Os
+.Os NGINX Unit
 .Sh Name
 .Nm unitd
 .Nd "runs the NGINX Unit daemon"