diff --git a/CHANGES b/CHANGES
index aaa032a004..c1202820e7 100644
--- a/CHANGES
+++ b/CHANGES
@@ -8,7 +8,7 @@
 
 			The recursion depth limit is configured via the
 			"max-recursion-depth" option, and the query limit
-                        via the "max-recursion-queries" option.  [RT #37580]
+			via the "max-recursion-queries" option.  [RT #37580]
 
 4005.	[func]		The buffer used for returning text from rndc
 			commands is now dynamically resizable, allowing
diff --git a/bin/tests/system/reclimit/README b/bin/tests/system/reclimit/README
index b802a057ef..069f105a11 100644
--- a/bin/tests/system/reclimit/README
+++ b/bin/tests/system/reclimit/README
@@ -1,3 +1,6 @@
+Copyright (C) 2014  Internet Systems Consortium, Inc. ("ISC")
+See COPYRIGHT in the source root or http://isc.org/copyright.html for terms.
+
 system test for recursion limits
 
 ns1  -- root server
diff --git a/bin/tests/system/reclimit/ans2/ans.pl b/bin/tests/system/reclimit/ans2/ans.pl
index a6e39a6a94..b9663a074c 100644
--- a/bin/tests/system/reclimit/ans2/ans.pl
+++ b/bin/tests/system/reclimit/ans2/ans.pl
@@ -1,4 +1,18 @@
 #!/usr/bin/env perl
+#
+# Copyright (C) 2014  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
 
 use strict;
 use warnings;
diff --git a/bin/tests/system/reclimit/ns3/named1.conf b/bin/tests/system/reclimit/ns3/named1.conf
index 558c230a5c..ec5770232b 100644
--- a/bin/tests/system/reclimit/ns3/named1.conf
+++ b/bin/tests/system/reclimit/ns3/named1.conf
@@ -25,8 +25,8 @@ options {
 	pid-file "named.pid";
 	listen-on { 10.53.0.3; };
 	listen-on-v6 { none; };
-        servfail-ttl 0;
-        max-recursion-depth 12;
+	servfail-ttl 0;
+	max-recursion-depth 12;
 };
 
 key rndc_key {
diff --git a/bin/tests/system/reclimit/ns3/named2.conf b/bin/tests/system/reclimit/ns3/named2.conf
index eb1fa09f63..fb27f011c4 100644
--- a/bin/tests/system/reclimit/ns3/named2.conf
+++ b/bin/tests/system/reclimit/ns3/named2.conf
@@ -25,8 +25,8 @@ options {
 	pid-file "named.pid";
 	listen-on { 10.53.0.3; };
 	listen-on-v6 { none; };
-        servfail-ttl 0;
-        max-recursion-depth 5;
+	servfail-ttl 0;
+	max-recursion-depth 5;
 };
 
 key rndc_key {
diff --git a/bin/tests/system/reclimit/ns3/named3.conf b/bin/tests/system/reclimit/ns3/named3.conf
index 1c3679a89e..953a6adc30 100644
--- a/bin/tests/system/reclimit/ns3/named3.conf
+++ b/bin/tests/system/reclimit/ns3/named3.conf
@@ -25,8 +25,8 @@ options {
 	pid-file "named.pid";
 	listen-on { 10.53.0.3; };
 	listen-on-v6 { none; };
-        servfail-ttl 0;
-        max-recursion-depth 100;
+	servfail-ttl 0;
+	max-recursion-depth 100;
 };
 
 key rndc_key {
diff --git a/bin/tests/system/reclimit/ns3/named4.conf b/bin/tests/system/reclimit/ns3/named4.conf
index 46da44803c..442dae1d97 100644
--- a/bin/tests/system/reclimit/ns3/named4.conf
+++ b/bin/tests/system/reclimit/ns3/named4.conf
@@ -25,9 +25,9 @@ options {
 	pid-file "named.pid";
 	listen-on { 10.53.0.3; };
 	listen-on-v6 { none; };
-        servfail-ttl 0;
-        max-recursion-depth 100;
-        max-recursion-queries 40;
+	servfail-ttl 0;
+	max-recursion-depth 100;
+	max-recursion-queries 40;
 };
 
 key rndc_key {