Apply suggestion from @benjie

Author: benjie

src/pages/blog/2025-10-14-announcing-ai-wg.mdx

@@ -21,7 +21,7 @@ Like all GraphQL working groups, this one is **open to everyone**. Whether you
 
 👉 Get involved:
 
-* Follow updates on the[GraphQL GitHub](https://github.com/graphql)
+* Follow updates on the [GraphQL GitHub](https://github.com/graphql)
 * [Subscribe](calendar.graphql.org) for community calendar invites 
 * Bring your ideas and feedback to help shape the group’s work