pause.3: Use Fn

[Josiah Frentsos]

Index: pause.3
===================================================================
RCS file: /cvs/src/lib/libc/gen/pause.3,v
retrieving revision 1.15
diff -u -p -r1.15 pause.3
--- pause.3     2 Aug 2022 01:23:23 -0000       1.15
+++ pause.3     8 Nov 2022 21:22:46 -0000
@@ -39,7 +39,8 @@
 .Fn pause void
 .Sh DESCRIPTION
 .Bf -symbolic
-Pause is made obsolete by
+.Fn pause
+is made obsolete by
 .Xr sigsuspend 2 .
 .Ef
 .Pp