diff --git a/test/060-string.md b/test/060-string.md
index 9ee9705..b32ec5b 100644
--- a/test/060-string.md
+++ b/test/060-string.md
@@ -305,3 +305,15 @@
 -> stack should be "sub"
 
 `del`
+
+## endl 1
+`endl type`
+
+-> stack should be "string"
+
+`del`
+
+## endl 2
+`endl num`
+
+-> stack should be 10