diff --git a/doc/examples/kea6/softwire46.json b/doc/examples/kea6/softwire46.json
index 6f68fde1fc..4e84a8f4af 100644
--- a/doc/examples/kea6/softwire46.json
+++ b/doc/examples/kea6/softwire46.json
@@ -10,7 +10,7 @@
     "interfaces": [ "ethX" ]
   },
 
-# We need to specify lease type.
+# Let's use a Memfile backend to store leases.
   "lease-database": {
     "type": "memfile"
   },
diff --git a/src/lib/dhcp/tests/option6_pdexclude_unittest.cc b/src/lib/dhcp/tests/option6_pdexclude_unittest.cc
index 7626991c00..edc2293d37 100644
--- a/src/lib/dhcp/tests/option6_pdexclude_unittest.cc
+++ b/src/lib/dhcp/tests/option6_pdexclude_unittest.cc
@@ -60,7 +60,7 @@ TEST(Option6PDExcludeTest, pack) {
     const uint8_t expected_data[] = {
         0x00, 0x43, // option code 67
         0x00, 0x02, // option length 2
-        0x3F, 0x70  // excluded prefix length 59 + subnet id
+        0x3F, 0x70  // excluded prefix length 63 + subnet id
     };
     std::vector<uint8_t> expected_vec(expected_data,
                                       expected_data + sizeof(expected_data));