diff --git a/sys/man/2/fork b/sys/man/2/fork
index 3b2c656c5..a08ad4325 100644
--- a/sys/man/2/fork
+++ b/sys/man/2/fork
@@ -73,12 +73,12 @@ 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) 
+.IR proc (3) 
 can not be walked.
 .TP
 .B RFENVG