[#3481] Spelling error

Author: msiodelski

src/lib/dhcpsrv/cfg_shared_networks.h

@@ -204,7 +204,7 @@ class CfgSharedNetworks : public data::CfgToElement {
             // them to the clients without having to encapsulate them for each request.
             other_network->getCfgOption()->encapsulate();
 
-            // Add the new/updated nework.
+            // Add the new/updated network.
             static_cast<void>(networks_.push_back(other_network));
         }
     }