fixup! examples/lwm2m: update to new API and use DTLS

examples/lwm2m/README.md

@@ -41,7 +41,7 @@ Router, you might want to specify:
 java -jar ./leshan-server-demo.jar -lh fd00:dead:beef::1
 ```
 
-In the security section click 'Add new client security configuration', select the security mode
+In the security section click 'Add Security Information', select the security mode
 'Pre-Shared Key', and enter the Client endpoint name and the security information
 (Identity and Key).
 
@@ -73,8 +73,8 @@ BS_COAPSPORT=5686
 BS_WEBPORT=8888
 
 # run the server
-java -jar ./leshan-bsserver-demo.jar --coapport ${BS_COAPPORT} \
-            --coapsport ${BS_COAPSPORT} --webport ${BS_WEBPORT}
+java -jar ./leshan-bsserver-demo.jar --coap-port ${BS_COAPPORT} \
+            --coaps-port ${BS_COAPSPORT} --web-port ${BS_WEBPORT}
 ```
 
 To set up the configuration of the node and the server: