[5381] Fixed shared network first figures

doc/guide/dhcp4-srv.xml

@@ -3542,7 +3542,7 @@ src/lib/dhcpsrv/cfg_host_operations.cc -->
         }
     ]
 
-    } // end of Dhcp4
+} // end of Dhcp4
 }
 </screen>
     </para>

doc/guide/dhcp6-srv.xml

@@ -3100,7 +3100,7 @@ If not specified, the default value is:
         }
     ]
 
-    } // end of Dhcp6
+} // end of Dhcp6
 }
 </screen>
     </para>