diff --git a/code-samples/as-operator-array-literal.pony b/code-samples/as-operator-array-literal.pony
index e2c6b13f..74c08a22 100644
--- a/code-samples/as-operator-array-literal.pony
+++ b/code-samples/as-operator-array-literal.pony
@@ -5,4 +5,4 @@ actor Main
 
   new create(env: Env) =>
     foo([as U32: 1; 2; 3])
-    // (1)
\ No newline at end of file
+    // (1)!
\ No newline at end of file