diff --git a/doc/examples/kea4/backends.json b/doc/examples/kea4/backends.json
index f3cc1fcf29..e7b77d074d 100644
--- a/doc/examples/kea4/backends.json
+++ b/doc/examples/kea4/backends.json
@@ -63,7 +63,7 @@
 # 4. CQL (Cassandra) backend. Leases will be stored in Cassandra database. Make
 # sure it is up, running and properly initialized. See kea-admin documentation
 # for details on how to initialize the database. The only strictly required
-# parameters are type, keyspace and contact_points. At least one contact point
+# parameters are type, keyspace and contact-points. At least one contact point
 # must be specified, but more than one is required for redundancy. Make sure
 # you specify the contact points without spaces. Kea must be compiled with
 # --with-cql option to use this backend.
diff --git a/doc/examples/kea4/cassandra.json b/doc/examples/kea4/cassandra.json
index 38c5521d79..5f15f1f755 100644
--- a/doc/examples/kea4/cassandra.json
+++ b/doc/examples/kea4/cassandra.json
@@ -13,7 +13,7 @@
 // 4. CQL (Cassandra) backend. Leases will be stored in Cassandra database. Make
 // sure it is up, running and properly initialized. See kea-admin documentation
 // for details on how to initialize the database. The only strictly required
-// parameters are type, keyspace and contact_points. At least one contact point
+// parameters are type, keyspace and contact-points. At least one contact point
 // must be specified, but more than one is required for redundancy. Make sure
 // you specify the contact points without spaces. Kea must be compiled with
 // --with-cql option to use this backend.
diff --git a/doc/examples/kea6/backends.json b/doc/examples/kea6/backends.json
index fa6f0f0eda..e3f66004a8 100644
--- a/doc/examples/kea6/backends.json
+++ b/doc/examples/kea6/backends.json
@@ -63,7 +63,7 @@
 # 4. CQL (Cassandra) backend. Leases will be stored in Cassandra database. Make
 # sure it is up, running and properly initialized. See kea-admin documentation
 # for details on how to initialize the database. The only strictly required
-# parameters are type, keyspace and contact_points. At least one contact point
+# parameters are type, keyspace and contact-points. At least one contact point
 # must be specified, but more than one is required for redundancy. Make sure
 # you specify the contact points without spaces. Kea must be compiled with
 # --with-cql option to use this backend.
diff --git a/doc/examples/kea6/cassandra.json b/doc/examples/kea6/cassandra.json
index d3101e0049..9ae2544a8c 100644
--- a/doc/examples/kea6/cassandra.json
+++ b/doc/examples/kea6/cassandra.json
@@ -13,14 +13,14 @@
 // CQL (Cassandra) backend. Leases will be stored in Cassandra database. Make
 // sure it is up, running and properly initialized. See kea-admin documentation
 // for details on how to initialize the database. The only strictly required
-// parameters are type, keyspace and contact_points. At least one contact point
+// parameters are type, keyspace and contact-points. At least one contact point
 // must be specified, but more than one is required for redundancy. Make sure
 // you specify the contact points without spaces. Kea must be compiled with
 // --with-cql option to use this backend.
   "lease-database": {
       "type": "cql",
       "keyspace": "keatest",
-      "contact_points": "192.0.2.1,192.0.2.2,192.0.2.3",
+      "contact-points": "192.0.2.1,192.0.2.2,192.0.2.3",
       "port": 9042
   },