diff --git a/native-datatypes.html b/native-datatypes.html
index 36d5da7..e00705f 100644
--- a/native-datatypes.html
+++ b/native-datatypes.html
@@ -315,9 +315,12 @@ ValueError: list.index(x): x not in list
no, it's false
>>> is_it_true(['a']) ③
yes, it's true
+>>> is_it_true([False]) ④
+yes, it's true
- In a boolean context, an empty list is false.
- Any list with at least one item is true.
+
- Any list with at least one item is true. The value of the items is irrelevant.