Fix typo (#40239)

dipikabh · web-flow · commit 25d1da713249 · 2025-07-07T22:28:48.000+02:00
diff --git a/files/en-us/learn_web_development/core/styling_basics/what_is_css/index.md b/files/en-us/learn_web_development/core/styling_basics/what_is_css/index.md
@@ -7,7 +7,7 @@ sidebar: learnsidebar
 
 {{NextMenu("Learn_web_development/Core/Styling_basics/Getting_started", "Learn_web_development/Core/Styling_basics")}}
 
-**{{Glossary("CSS")}}** (Cascading Style Sheets) allows you to create great-looking web pages, but how does it work under the hood? This article explains what CSS, what the basic syntax looks like, and how your browser applies CSS to HTML to style it.
+**{{Glossary("CSS")}}** (Cascading Style Sheets) allows you to create great-looking web pages, but how does it work under the hood? This article explains what CSS is, what the basic syntax looks like, and how your browser applies CSS to HTML to style it.
 
 <table>
   <tbody>
