2 files changed, 2 insertions, 0 deletions
diff --git a/GIDs b/GIDs
index 584f3ba425cf..8f82ec26241b 100644
--- a/GIDs
+++ b/GIDs
@@ -1,5 +1,6 @@
 # $FreeBSD$
 # Please keep this file sorted by GID!
+# Please pick an empty slot when available
 daemon:*:1:
 operator:*:5:amanda
 mail:*:6:postfix,clamav
diff --git a/UIDs b/UIDs
index 53a11f8adec6..bd5edb76dcc4 100644
--- a/UIDs
+++ b/UIDs
@@ -1,5 +1,6 @@
 # $FreeBSD$
 # Please keep this file sorted by UID!
+# Please pick an empty slot when available
 operator:*:2:5::0:0:System &:/:/usr/sbin/nologin
 ftp:*:14:14::0:0:Anonymous FTP:/var/ftp:/nonexistent
 smmsp:*:25:25::0:0:Sendmail Submission User:/var/spool/clientmqueue:/usr/sbin/nologin