diff --git a/9-regular-expressions/02-regexp-character-classes/article.md b/9-regular-expressions/02-regexp-character-classes/article.md
index baf9a50e..349a5f9d 100644
--- a/9-regular-expressions/02-regexp-character-classes/article.md
+++ b/9-regular-expressions/02-regexp-character-classes/article.md
@@ -100,7 +100,7 @@ let str = "+7(903)-123-45-67";
 alert( str.replace(/\D/g, "") ); // 79031234567
 ```
 
-## A dot is any character
+## A dot is "any character"
 
 A dot `pattern:.` is a special character class that matches "any character except a newline".