Merge pull request graphql#814 from tcope25/patch-1

Old spec link 404s

Author: caniszczyk

site/_core/HeaderLinks.js

@@ -12,7 +12,7 @@ const links = [
   { section: 'learn', text: 'Learn', href: '/learn/' },
   { section: 'code', text: 'Code', href: '/code/' },
   { section: 'community', text: 'Community', href: '/community/' },
-  { section: 'spec', text: 'Spec', href: 'https://facebook.github.io/graphql/' },
+  { section: 'spec', text: 'Spec', href: 'https://graphql.github.io/graphql-spec/' },
   { section: 'codeofconduct', text: 'Code of Conduct', href: '/codeofconduct/' },
   { section: 'foundation', text: 'Foundation', href: 'https://foundation.graphql.org/' },
   { section: 'landscape', text: 'Landscape', href: 'https://l.graphql.org/' },

site/_core/Site.js

@@ -82,7 +82,7 @@ export default ({ page, category, title, section, className, noSearch, children
           </div>
           <div>
             <h5>More</h5>
-            <a href="https://facebook.github.io/graphql/" target="_blank" rel="noopener noreferrer">GraphQL Specification</a>
+            <a href="https://graphql.github.io/graphql-spec/" target="_blank" rel="noopener noreferrer">GraphQL Specification</a>
             <a href="https://foundation.graphql.org/" target="_blank" rel="noopener noreferrer">GraphQL Foundation</a>
             <a href="https://github.com/graphql" target="_blank" rel="noopener noreferrer">GraphQL GitHub</a>
             {page && <a href={'https://github.com/graphql/graphql.github.io/edit/source/site/' + page.relPath} target="_blank" rel="noopener noreferrer">Edit this page &#x270E;</a>}