diff --git a/example/custom/src/mainCpp.cpp b/example/custom/src/mainCpp.cpp
index d358937..db68a6e 100644
--- a/example/custom/src/mainCpp.cpp
+++ b/example/custom/src/mainCpp.cpp
@@ -3,6 +3,7 @@
 int main(void)
 {
   while (1) {
+    what
     int x = my_sum(1, 2);
   }
   return 1;