Update 'README.md'

README.md

@@ -58,7 +58,7 @@ As you can see the packet starts and ends with ``< - >`` characters and the stag
 `This means you can't use any of these characters as data in the packets!!`
 
 Include SSP and define a new device.
-```C++
+```c++
 #include <SimpleSerialProtocol.h>
 
 // Define new device
@@ -68,7 +68,7 @@ SimpleSerialProtocol device;
 Initialize the serial device and connection.
 First parameter is the serial channel. For example; the mega 2560 has 4 serial channels (RX0/TX0 through RX3/TX3) 
 Second parameter is the baud rate. 
-```C++
+```c++
 void setup() {
     // Initialize serial device on index 0 with a baud rate of 115200
     device.init(0, 115200);
@@ -76,7 +76,7 @@ void setup() {
 ```
 
 Now create a method (with a packet parameter) which will be called when a packet is received. In the main loop call ``receivePackets`` with the callback function as parameter regularly. (more times the better)
-```C++
+```c++
 void onPacket(Packet packet) {
   Serial.println("Received Packet!");
   Serial.println(packet.id);
@@ -91,7 +91,7 @@ void loop() {
 }
 ```
 To send packets you can use the ``sendPacket`` method.
-```C++
+```c++
 deviceOne.sendPacket("IDPacket", "Commandhere", "testtest");
 ```
 ## Contributing