Update +page.markdoc

Author: Veera-mulge

src/routes/blog/post/understand-oauth2/+page.markdoc

@@ -1,6 +1,6 @@
 ---
 layout: post
-title: "Understanding OAuth 2.0. The backbone of modern authorization"
+title: "Understanding OAuth2. The backbone of modern authorization"
 description: A quick guide to OAuth2, its flows, and when to use each one.
 date: 2025-06-12
 cover: /images/blog/understand-oauth2/cover.png