--- Libc/Libc-262/gen/pwcache.3
+++ Libc/Libc-391/gen/pwcache.3
@@ -41,11 +41,12 @@
 .Sh LIBRARY
 .Lb libc
 .Sh SYNOPSIS
-.In stdlib.h
+.In pwd.h
 .Ft char *
-.Fn user_from_uid "unsigned long uid" "int nouser"
+.Fn user_from_uid "uid_t uid" "int nouser"
+.In grp.h
 .Ft char *
-.Fn group_from_gid "unsigned long gid" "int nogroup"
+.Fn group_from_gid "gid_t gid" "int nogroup"
 .Sh DESCRIPTION
 The
 .Fn user_from_uid