diff --git a/samples/sim65/trace_example.c b/samples/sim65/trace_example.c
index cd4ec87d7..ebfd89cb1 100644
--- a/samples/sim65/trace_example.c
+++ b/samples/sim65/trace_example.c
@@ -1,5 +1,5 @@
 /*
- * Sim65 trace functionailty example.
+ * Sim65 trace functionality example.
  *
  * Description
  * -----------