diff --git a/examples/sPSN_Chat/sPSN_Chat.ino b/examples/sPSN_Chat/sPSN_Chat.ino
index df7dbe6bdd0abbdab2821ce70bb16757a8f9e34f..21584293e7585e4852932dba4d618303eecbe4ed 100644
--- a/examples/sPSN_Chat/sPSN_Chat.ino
+++ b/examples/sPSN_Chat/sPSN_Chat.ino
@@ -33,12 +33,12 @@ unsigned long lastTime = 0L;
 bool dataReadDone = false;
 
 //Maximale Nachrichten- und Topic-Länge:
-//MAX_LEN_DATA = 20 Zeichen
+//MAX_LEN_PAYLOAD = 20 Zeichen
 //MAX_LEN_TOPICS = 10 Zeichen
 //kann erhöht werden (z. B. #define MAX_LEN_TOPICS 20) , dann aber Arduino-Mega als Server sinnvoll
 
-char readData[MAX_LEN_DATA * 5] = {'\0'};
-char arrayBuffer[MAX_LEN_DATA + 1] = {'\0'};
+char readData[MAX_LEN_PAYLOAD * 5] = {'\0'};
+char arrayBuffer[MAX_LEN_PAYLOAD + 1] = {'\0'};
 int counter = 0;
 
 //Arrays für Empfangs- und Sende Topic
@@ -105,7 +105,7 @@ void loop() {
   }
 
   //Wenn Daten fertig eingelesen wurden
-  if (dataReadDone && strlen(readData) <= MAX_LEN_DATA * 5 ) {
+  if (dataReadDone && strlen(readData) <= MAX_LEN_PAYLOAD * 5 ) {
     //Wenn "@" vorne steht, dann neuer Chatpartner anlegen (neues Topic dem zugehört wird)
     if (readData[0] == '@') {
       //kopiere das neue Topic (den Namen des Chatpartners) in das passende Array
@@ -125,9 +125,9 @@ void loop() {
     }
     //Wenn normale Nachrichten eingegeben wurden, dann Daten unter eigenem Topic versenden
     else {
-      for (int i = 0; i * MAX_LEN_DATA < strlen(readData); i++) {
-        memset(arrayBuffer, '\0', MAX_LEN_DATA + 1);
-        strncpy(arrayBuffer, &readData[MAX_LEN_DATA * i], MAX_LEN_DATA);
+      for (int i = 0; i * MAX_LEN_PAYLOAD < strlen(readData); i++) {
+        memset(arrayBuffer, '\0', MAX_LEN_PAYLOAD + 1);
+        strncpy(arrayBuffer, &readData[MAX_LEN_PAYLOAD * i], dataReadDone);
         //Serial.print("ReadData: ");Serial.print(readData);Serial.print("\t");Serial.print(arrayBuffer);
         psnClient.publish(topicPub, arrayBuffer);
         //Solange Daten zu versenden sind (wenn Text länger als max Länge einer Nachricht)
diff --git a/examples/sPSN_Client1/sPSN_Client1.ino b/examples/sPSN_Client1/sPSN_Client1.ino
index 61997358952e0f61d7bcbb755b57b0f1135b7650..e6d27ad5fb64d54c1e9aaa1c348a234b33830d4d 100644
--- a/examples/sPSN_Client1/sPSN_Client1.ino
+++ b/examples/sPSN_Client1/sPSN_Client1.ino
@@ -42,7 +42,7 @@ int lastValue     = 0;
 
 
 //Maximale Nachrichten- und Topic-Länge:
-//MAX_LEN_DATA = 20 Zeichen
+//MAX_LEN_PAYLOAD = 20 Zeichen
 //MAX_LEN_TOPICS = 10 Zeichen
 //kann erhöht werden (z. B. #define MAX_LEN_TOPICS 20) , dann aber Arduino-Mega als Server sinnvoll
 
@@ -110,7 +110,7 @@ void loop() {
     //lese den Poti erneut ein
     currentValue = analogRead(potiPin);
     //setze den Inhalt des Puffer-Arrays auf 0
-    char data[MAX_LEN_DATA] = {0};
+    char data[MAX_LEN_PAYLOAD] = {0};
     //wandle int-Wert in ASCII-Zeichen
     itoa(currentValue, data, 10);
     //sende analog-Wert
diff --git a/examples/sPSN_Client2/sPSN_Client2.ino b/examples/sPSN_Client2/sPSN_Client2.ino
index dc3be3bf1df9dec594464c653d6dfe7714bc963f..9e8fedde38d183aa6c1629ff7fdea725b34d2488 100644
--- a/examples/sPSN_Client2/sPSN_Client2.ino
+++ b/examples/sPSN_Client2/sPSN_Client2.ino
@@ -40,7 +40,7 @@ byte buttonPin = 2;
 bool lastState     = 0;
 
 //Maximale Nachrichten- und Topic-Länge:
-//MAX_LEN_DATA = 20 Zeichen
+//MAX_LEN_PAYLOAD = 20 Zeichen
 //MAX_LEN_TOPICS = 10 Zeichen
 //kann erhöht werden (z. B. #define MAX_LEN_TOPICS 20) , dann aber Arduino-Mega als Server sinnvoll
 
@@ -105,7 +105,7 @@ void loop() {
   //Wenn Flanke erkannt (fallend/steigend) dann übertrage den aktuellen Wert
   if (lastState != currentState) {
     //setze den Inhalt des Puffer-Arrays auf 0
-    char data[MAX_LEN_DATA] = {0};
+    char data[MAX_LEN_PAYLOAD] = {0};
     //wandle bool-Wert in ASCII-Zeichen
     itoa(currentState, data, 10);
     //sende digital-Wert
diff --git a/examples/sPSN_Server/sPSN_Server.ino b/examples/sPSN_Server/sPSN_Server.ino
index 849fcb72e38200df68acac04fe11957d251b610e..083672cf9b92b78727923667e629a4a59af34aa2 100644
--- a/examples/sPSN_Server/sPSN_Server.ino
+++ b/examples/sPSN_Server/sPSN_Server.ino
@@ -37,8 +37,8 @@
 // Rx = 10 -> Empfänger | Tx = 11 -> Sender
 SoftwareSerial sSerial(10, 11);
 
-//Erzeuge Server-Instanz
-didacticPSNetServer psnBroker;
+//Erzeuge Broker-Instanz
+didacticPSNetBroker psnBroker;
 
 void setup() {
   //Starte Serielle Schnittstelle (zum PC)
@@ -49,7 +49,7 @@ void setup() {
 
   //Lege fest welche Serielle Schnittstelle für sPSN verwendet werden soll
   //psnBroker.setStream(sSerial);
-  psnClient.begin(sSerial);
+  psnBroker.begin(sSerial);
 }
 
 void loop() {
diff --git a/src/didacticNet.h b/src/didacticNet.h
index f3ba8ab5342a49772ea0e424801bad12a9d890ea..632e2d47959ef0da6f8ff231c635e36860a9de3b 100644
--- a/src/didacticNet.h
+++ b/src/didacticNet.h
@@ -32,7 +32,7 @@
 #define MAX_NR_TOPICS_CLIENT  5
 #define MAX_NR_TOPICS_BROKER  20
 #define MAX_LEN_TOPICS 10
-#define MAX_LEN_DATA   20
+#define MAX_LEN_PAYLOAD   20
 
 class didacticPSNet
 {
@@ -42,9 +42,9 @@ class didacticPSNet
 		PSNET_CALLBACK_SIGNATURE;
 
 		char _bufferTopic[MAX_LEN_TOPICS+1] = {0};
-		char _bufferData[MAX_LEN_DATA+1] = {0};
-		char _readBufferMessage[MAX_LEN_TOPICS + MAX_LEN_DATA +4+1];
-		char _sendBufferMessage[MAX_LEN_TOPICS + MAX_LEN_DATA +4+1];
+		char _bufferData[MAX_LEN_PAYLOAD+1] = {0};
+		char _readBufferMessage[MAX_LEN_TOPICS + MAX_LEN_PAYLOAD +4+1];
+		char _sendBufferMessage[MAX_LEN_TOPICS + MAX_LEN_PAYLOAD +4+1];
 
 		bool _dataToSend = false; // int Data to send for queue?
 		unsigned long _waitingTime = 0L;
@@ -81,7 +81,7 @@ class didacticPSNetClient : public  didacticPSNet
 	private:
 
 	char _topic[MAX_NR_TOPICS_CLIENT][MAX_LEN_TOPICS+1] = { { 0 } };
-	char _data[MAX_NR_TOPICS_CLIENT][MAX_LEN_DATA+1] = { { 0 } };
+	char _data[MAX_NR_TOPICS_CLIENT][MAX_LEN_PAYLOAD+1] = { { 0 } };
 
 	bool saveData(char*, int);
 	bool getMessageFilter(char);
@@ -108,7 +108,7 @@ class didacticPSNetBroker: public  didacticPSNet
 	private:
 
 	char _topic[MAX_NR_TOPICS_BROKER][MAX_LEN_TOPICS+1] = { { 0 } };
-	char _data[MAX_NR_TOPICS_BROKER][MAX_LEN_DATA+1] = { { 0 } };
+	char _data[MAX_NR_TOPICS_BROKER][MAX_LEN_PAYLOAD+1] = { { 0 } };
 
 	bool saveData(char*, int);
 	bool getMessageFilter(char);