diff --git a/lib/libc/sys/fork.2 b/lib/libc/sys/fork.2
index 2e76bc0998a..d01e60035e6 100644
--- a/lib/libc/sys/fork.2
+++ b/lib/libc/sys/fork.2
@@ -122,6 +122,6 @@ There is insufficient swap space for the new process.
 .Xr wait 2
 .Sh HISTORY
 A
-.Fn fork 2
+.Fn fork
 function call appeared in
 .At v6 .