diff --git a/README.md b/README.md
index cd3459f..1d23fbf 100644
--- a/README.md
+++ b/README.md
@@ -77,7 +77,7 @@ while(1) {     add 174b for total size
 } // end while(1)
 } // end main() 
 ```
-```c++
+```cpp
 // PrintArdui vide 1426b  184v
 void setup() {
  Serial.begin(9600);