diff --git a/sys/man/2/fork b/sys/man/2/fork
index a08ad4325..162f58881 100644
--- a/sys/man/2/fork
+++ b/sys/man/2/fork
@@ -73,10 +73,10 @@ If set, subsequent mounts into the new name space are disallowed.
 All pathnames starting with
 .B #
 besides those used to access
-.IR pipe (3) ,
-.IR dup (3) ,
-.IR env (3) ,
-.IR cons (3) ,
+.IR pipe (3),
+.IR dup (3),
+.IR env (3),
+.IR cons (3),
 and
 .IR proc (3) 
 can not be walked.