diff --git a/src/components/Navbar.astro b/src/components/Navbar.astro
index 4f148074..73c37e7c 100644
--- a/src/components/Navbar.astro
+++ b/src/components/Navbar.astro
@@ -25,10 +25,10 @@ export const MainNav: RecursiveMenu[] = [
       { title: 'ARCitect', slug: 'https://nfdi4plants.github.io/nfdi4plants.knowledgebase/arcitect/' },
       { title: 'Swate', slug: 'https://swate-alpha.nfdi4plants.org/' },
       { title: 'DataPLAN', slug: 'https://dmpg.nfdi4plants.org/' },
-      { title: 'ARCManager', slug: 'https://www.nfdi4plants.de/nfdi4plants.knowledgebase/docs/ARCmanager-manual/00_index.html' },
+      { title: 'ARCManager', slug: 'https://nfdi4plants.org/nfdi4plants.knowledgebase/arc-manager/' },
     ]
   },
-  { title: 'Knowledge Base', slug: 'https://www.nfdi4plants.de/nfdi4plants.knowledgebase/' },
+  { title: 'Knowledge Base', slug: 'https://www.nfdi4plants.de/nfdi4plants.knowledgebase/start-here/' },
 ]
 
 ---
diff --git a/src/content/subpageContent/toolbox/arcmanager.md b/src/content/subpageContent/toolbox/arcmanager.md
index a2e4035f..b6d38c84 100644
--- a/src/content/subpageContent/toolbox/arcmanager.md
+++ b/src/content/subpageContent/toolbox/arcmanager.md
@@ -2,9 +2,9 @@
 title: arcmanager
 summary: A web service that allows DataPLANT users to create and modify ARCs in a web browser environment
 icon: tabler:layout-grid-add
-href: https://www.nfdi4plants.de/nfdi4plants.knowledgebase/docs/ARCmanager-manual/00_index.html
+href: https://nfdi4plants.org/nfdi4plants.knowledgebase/arc-manager/
 ---
 
 **Read More:**
-- [ARCmanager manual](https://www.nfdi4plants.de/nfdi4plants.knowledgebase/docs/ARCmanager-manual/00_index.html)
+- [ARCmanager manual](https://nfdi4plants.org/nfdi4plants.knowledgebase/arc-manager/)
 - [ARCmanager homepage](https://nfdi4plants.de/arcmanager/app/index.html)
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