[4765] Addressed review comments.

doc/guide/dhcp6-srv.xml

@@ -2636,7 +2636,7 @@ should include options from the isc option space:
             </userinput>
          } ]"
      } ]"
- }"
+ }
 
 </screen>
     <para>Static class assignments, as shown above, can be used in conjuction

src/bin/dhcp4/dhcp4.spec

@@ -537,12 +537,14 @@
                         "item_type": "list",
                         "item_optional": true,
                         "item_default": [],
+                        "item_description": "list of reserved classes for a client",
                         "list_item_spec":
                         {
                           "item_name": "client-class",
                           "item_type": "string",
                           "item_optional": false,
-                          "item_default": ""
+                          "item_default": "",
+                          "item_description": "one of the classes reserved for a client"
                         }
                       } ]
                   }

src/bin/dhcp4/tests/classify_unittest.cc

@@ -24,7 +24,7 @@ namespace {
 /// @brief Set of JSON configurations used throughout the classify tests.
 ///
 /// - Configuration 0:
-///   - Used for testing direct traffic
+///   - Used for testing dynamic assignment of client classes
 ///   - 1 subnet: 10.0.0.0/24
 ///   - 1 pool: 10.0.0.10-10.0.0.100
 ///   - the following classes defined:
@@ -32,6 +32,17 @@ namespace {
 ///     option[93].hex == 0x0007, set server-hostname to deneb
 ///     option[93].hex == 0x0006, set boot-file-name to pxelinux.0
 ///     option[93].hex == 0x0001, set boot-file-name to ipxe.efi
+///
+/// - Configuration 1:
+///   - Used for testing reservations of client classes for a client
+///   - The following classes are defined:
+///     - 'pxe', next-server set to 1.2.3.4, assigned dynamically
+///     - 'reserved-class1', routers set to 10.0.0.200, reserved for a
+///        host using HW address 'aa:bb:cc:dd:ee:ff'
+///     - 'reserved-class2', domain-name-servers set to 10.0.0.201,
+///        also reserved for the host using HW address
+///        'aa:bb:cc:dd:ee:ff'
+///   - Subnet of 10.0.0.0/24 with a single address pool
 const char* CONFIGS[] = {
     // Configuration 0
     "{ \"interfaces-config\": {"

src/bin/dhcp6/dhcp6.spec

@@ -610,12 +610,14 @@
                         "item_type": "list",
                         "item_optional": true,
                         "item_default": [],
+                        "item_description": "list of reserved classes for a client",
                         "list_item_spec":
                         {
                           "item_name": "client-class",
                           "item_type": "string",
                           "item_optional": false,
-                          "item_default": ""
+                          "item_default": "",
+                          "item_description": "one of the classes reserved for a client"
                         }
                       } ]
                   }