diff --git a/1-js/02-first-steps/05-types/article.md b/1-js/02-first-steps/05-types/article.md
index 0bb349c8..975a0c1b 100644
--- a/1-js/02-first-steps/05-types/article.md
+++ b/1-js/02-first-steps/05-types/article.md
@@ -250,7 +250,9 @@ The last three lines may need additional explanation:
 ```smart header="The `typeof(x)` syntax"
 You may also come across another syntax: `typeof(x)`. It's the same as `typeof x`.
 
-The parentheses here aren't a part of the `typeof` operator. It's the kind of parentheses used for mathematical grouping. Usually, such parentheses contain a mathematical expression, such as `(2 + 2)`, but here they contain only one argument `(x)`. Syntactically, they allow to avoid a space between the `typeof` operator and its argument, and some people like it.
+To put it clear: `typeof` is an operator, not a function. The parentheses here aren't a part of the `typeof`. It's the kind of parentheses used for mathematical grouping.
+
+Usually, such parentheses contain a mathematical expression, such as `(2 + 2)`, but here they contain only one argument `(x)`. Syntactically, they allow to avoid a space between the `typeof` operator and its argument, and some people like it.
 
 Some people prefer `typeof(x)`, although the `typeof x` syntax is much more common.
 ```