[4106_update] Added comment to createDHCPv4MsgOption()

diff --git a/src/bin/dhcp4/tests/dhcp4o6_ipc_unittest.cc b/src/bin/dhcp4/tests/dhcp4o6_ipc_unittest.cc
index 5c566214e2b07424a88a5c28912de1257081b6ac..df3c53e89cfe94129502b2172ab8c36efff51fe6 100644 (file)
--- a/src/bin/dhcp4/tests/dhcp4o6_ipc_unittest.cc
+++ b/src/bin/dhcp4/tests/dhcp4o6_ipc_unittest.cc
@@ -49,6 +49,9 @@ public:
 
     /// @brief Creates an instance of the DHCPv4o6 Message option.
     ///
+    /// The option will contain an empty DHCPREQUEST message, with
+    /// just the Message Type option inside and nothing else.
+    ///
     /// @return Pointer to the instance of the DHCPv4-query Message option.
     OptionPtr createDHCPv4MsgOption() const;