diff --git a/1-js/05-data-types/01-primitives-methods/article.md b/1-js/05-data-types/01-primitives-methods/article.md
index b358b27e..06138a00 100644
--- a/1-js/05-data-types/01-primitives-methods/article.md
+++ b/1-js/05-data-types/01-primitives-methods/article.md
@@ -50,7 +50,7 @@ The solution looks a little bit awkward, but here it is:
 
 The "object wrappers" are different for each primitive type and are called: `String`, `Number`, `Boolean` and `Symbol`. Thus, they provide different sets of methods.
 
-For instance, there exists a method [str.toUpperCase()](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase) that returns a capitalized string.
+For instance, there exists a string method [str.toUpperCase()](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase) that returns a capitalized `str`.
 
 Here's how it works: