diff --git a/README.md b/README.md
index 15503f1..fd6b2a0 100644
--- a/README.md
+++ b/README.md
@@ -64,7 +64,7 @@ ser.close()
 
 ### Receive Data
 
-```C
+```CPP
 void loop() {
   while (Serial.available() > 0) {
     uint8_t byteReceived = Serial.read();