diff --git a/bin/tests/master/dns_master_load_2_data b/bin/tests/master/dns_master_load_2_data
index ca840f09e1..b71c2dae17 100644
--- a/bin/tests/master/dns_master_load_2_data
+++ b/bin/tests/master/dns_master_load_2_data
@@ -1,11 +1,12 @@
 #
-# test data for dns_master_load test 1
+# test data for dns_master_load test 2
 #
 # format is:
-#	<masterfile name><tab><origin><tab><expected result>
+#	masterfile origin class expected_result
 # where
 #	masterfile name is the name of a file containing master data
 #	origin is the origin
+#	class is the zone's class
 # 	expected_result is a text representation of a dns_result_t
 #
-master2.data	test	DNS_R_UNEXPECTEDEND
+master2.data	test	in	DNS_R_UNEXPECTEDEND
diff --git a/bin/tests/master/dns_master_load_3_data b/bin/tests/master/dns_master_load_3_data
index 17864ec556..9dbdfb20aa 100644
--- a/bin/tests/master/dns_master_load_3_data
+++ b/bin/tests/master/dns_master_load_3_data
@@ -1,11 +1,12 @@
 #
-# test data for dns_master_load test 1
+# test data for dns_master_load test 3
 #
 # format is:
-#	<masterfile name><tab><origin><tab><expected result>
+#	masterfile origin class expected_result
 # where
 #	masterfile name is the name of a file containing master data
 #	origin is the origin
+#	class is the zone's class
 # 	expected_result is a text representation of a dns_result_t
 #
-master3.data	test	DNS_R_NOOWNER
+master3.data	test	in	DNS_R_NOOWNER
diff --git a/bin/tests/master/dns_master_load_4_data b/bin/tests/master/dns_master_load_4_data
index 56991a65e3..0d08f0eeea 100644
--- a/bin/tests/master/dns_master_load_4_data
+++ b/bin/tests/master/dns_master_load_4_data
@@ -1,11 +1,12 @@
 #
-# test data for dns_master_load test 1
+# test data for dns_master_load test 4
 #
 # format is:
-#	<masterfile name><tab><origin><tab><expected result>
+#	masterfile origin class expected_result
 # where
 #	masterfile name is the name of a file containing master data
 #	origin is the origin
+#	class is the zone's class
 # 	expected_result is a text representation of a dns_result_t
 #
-master4.data	test	DNS_R_NOTTL
+master4.data	test	in	DNS_R_NOTTL
diff --git a/bin/tests/master/dns_master_load_5_data b/bin/tests/master/dns_master_load_5_data
index fe4e718a4f..56e33ba7ad 100644
--- a/bin/tests/master/dns_master_load_5_data
+++ b/bin/tests/master/dns_master_load_5_data
@@ -2,10 +2,11 @@
 # test data for dns_master_load test 5
 #
 # format is:
-#	<masterfile name><tab><origin><tab><expected result>
+#	masterfile origin class expected_result
 # where
 #	masterfile name is the name of a file containing master data
 #	origin is the origin
+#	class is the zone's class
 # 	expected_result is a text representation of a dns_result_t
 #
-master5.data	test	DNS_R_BADCLASS
+master5.data	test	in	DNS_R_BADCLASS