blog: adjust dht blog post title (#394)

Author: ramfox

src/app/blog/lets-write-a-dht-1/page.mdx

@@ -5,9 +5,9 @@ export const post = {
   draft: false,
   author: 'Rüdiger Klaehn',
   date: '2025-09-26',
-  title: 'A DHT for iroh - The Protocol',
+  title: 'A DHT for iroh - Part 1, The Protocol',
   description:
-    "Let's write a DHT for iroh - Part 1, The Protocol",
+    "Let's write a DHT for iroh",
 }
 
 export const metadata = {