docs: change meta element from "Description" to "description" (#12526)

Author: cevdetta

sites/svelte-5-preview/src/routes/docs/[slug]/+page.svelte

@@ -18,7 +18,7 @@
 
 	<meta name="twitter:title" content="{data.page.title} • Docs • Svelte 5 preview" />
 	<meta name="twitter:description" content="{data.page.title} • Svelte 5 preview documentation" />
-	<meta name="Description" content="{data.page.title} • Svelte 5 preview documentation" />
+	<meta name="description" content="{data.page.title} • Svelte 5 preview documentation" />
 </svelte:head>
 
 <div class="text" id="docs-content" use:copy_code_descendants>

sites/svelte.dev/src/routes/(authed)/repl/[id]/+page.svelte

@@ -70,7 +70,7 @@
 
 	<meta name="twitter:title" content="{data.gist.name} • REPL • Svelte" />
 	<meta name="twitter:description" content="Cybernetically enhanced web apps" />
-	<meta name="Description" content="Interactive Svelte playground" />
+	<meta name="description" content="Interactive Svelte playground" />
 </svelte:head>
 
 <div class="repl-outer {zen_mode ? 'zen-mode' : ''}">

sites/svelte.dev/src/routes/(authed)/repl/embed/+page.svelte

@@ -10,7 +10,7 @@
 
 	<meta name="twitter:title" content="Svelte REPL" />
 	<meta name="twitter:description" content="Cybernetically enhanced web apps" />
-	<meta name="Description" content="Interactive Svelte playground" />
+	<meta name="description" content="Interactive Svelte playground" />
 </svelte:head>
 
 <div class="repl-outer">

sites/svelte.dev/src/routes/+page.svelte

@@ -11,7 +11,7 @@
 
 	<meta name="twitter:title" content="Svelte" />
 	<meta name="twitter:description" content="Cybernetically enhanced web apps" />
-	<meta name="Description" content="Cybernetically enhanced web apps" />
+	<meta name="description" content="Cybernetically enhanced web apps" />
 </svelte:head>
 
 <h1 class="visually-hidden">Svelte</h1>

sites/svelte.dev/src/routes/blog/+page.svelte

@@ -13,7 +13,7 @@
 
 	<meta name="twitter:title" content="Svelte blog" />
 	<meta name="twitter:description" content="Articles about Svelte and UI development" />
-	<meta name="Description" content="Articles about Svelte and UI development" />
+	<meta name="description" content="Articles about Svelte and UI development" />
 </svelte:head>
 
 <h1 class="visually-hidden">Blog</h1>

sites/svelte.dev/src/routes/blog/[slug]/+page.svelte

@@ -14,7 +14,7 @@
 	<meta name="twitter:card" content="summary_large_image" />
 	<meta name="twitter:title" content={data.post.title} />
 	<meta name="twitter:description" content={data.post.description} />
-	<meta name="Description" content={data.post.description} />
+	<meta name="description" content={data.post.description} />
 
 	<meta name="twitter:image" content="https://svelte.dev/blog/{$page.params.slug}/card.png" />
 	<meta name="og:image" content="https://svelte.dev/blog/{$page.params.slug}/card.png" />

sites/svelte.dev/src/routes/docs/[slug]/+page.svelte

@@ -19,7 +19,7 @@
 
 	<meta name="twitter:title" content="{data.page.title} • Docs • Svelte" />
 	<meta name="twitter:description" content="{data.page.title} • Svelte documentation" />
-	<meta name="Description" content="{data.page.title} • Svelte documentation" />
+	<meta name="description" content="{data.page.title} • Svelte documentation" />
 </svelte:head>
 
 <div class="text" id="docs-content" use:copy_code_descendants>

sites/svelte.dev/src/routes/examples/[slug]/+page.svelte

@@ -34,7 +34,7 @@
 
 	<meta name="twitter:title" content="Svelte examples" />
 	<meta name="twitter:description" content="Cybernetically enhanced web apps" />
-	<meta name="Description" content="Interactive example Svelte apps" />
+	<meta name="description" content="Interactive example Svelte apps" />
 </svelte:head>
 
 <h1 class="visually-hidden">Examples</h1>

sites/svelte.dev/src/routes/tutorial/[slug]/+page.svelte

@@ -102,7 +102,7 @@
 
 	<meta name="twitter:title" content="Svelte tutorial" />
 	<meta name="twitter:description" content="{selected.section.title} / {selected.chapter.title}" />
-	<meta name="Description" content="{selected.section.title} / {selected.chapter.title}" />
+	<meta name="description" content="{selected.section.title} / {selected.chapter.title}" />
 </svelte:head>
 
 <svelte:window bind:innerWidth={width} />