Update index.html

Author: ChampyTech

index.html

@@ -13,7 +13,7 @@
     <meta property="og:description"
         content="A curated collection of small HTML & CSS projects, perfect for practicing web design, experimenting with code, and boosting your frontend skills.">
     <meta property="og:type" content="website">
-    <meta property="og:url" content="https://champytech.github.io/Small-HTML-Projects/">
+    <meta property="og:url" content="https://champytech.github.io/small-html-projects/">
     <meta name="twitter:card" content="summary_large_image">
     <meta name="twitter:title" content="Small HTML & CSS Projects - Practice Your Frontend Skills">
     <meta name="twitter:description"