fix language rendering for code snippet

devinaconley · web-flow · commit 9f774632b976 · 2019-04-20T15:51:53.000-05:00
diff --git a/README.md b/README.md
@@ -22,7 +22,7 @@ _by: Devin Conley_
 ---
 
 ### Extremely easy usage:
-```arduino
+```c++
 #include "Plotter.h"
 
 double x; // global variables
