diff --git a/examples/sPSN_PongTester/sPSN_PongTester.ino b/examples/sPSN_PongTester/sPSN_PongTester.ino
index dd9166a8ad59347bedf01b93de7bcd70a1501042..c991eecb479214aba1853df276560481ecda007b 100644
--- a/examples/sPSN_PongTester/sPSN_PongTester.ino
+++ b/examples/sPSN_PongTester/sPSN_PongTester.ino
@@ -36,11 +36,11 @@ SoftwareSerial sSerial(10, 11);
 //Erzeuge Client-Instanz
 DidacticPSNetClient psnClient;
 
-bool recievedPings[MAX_NR_CLIENTS+1] = {false};
+bool recievedPings[MAX_NR_CLIENTS+1] = {false}; //+1 ermöglicht Start bei Client0 oder Client1 
 bool newPing = false;
 
 void newData(char* topic, char* payload) {
-  if (!strcmp(payload, "Ping") && (atoi(topic) <= MAX_NR_CLIENTS)) { //Empfangene Nachricht == Ping
+  if (!strcmp(payload, "Ping") && (atoi(topic) < MAX_NR_CLIENTS+1)) { //Empfangene Nachricht == Ping
     recievedPings[atoi(topic)] = true;
     newPing = true;
     psnClient.publish(topic, "Pong");