diff --git a/templates/custom/de/doc/corpus/releases.html.md b/templates/custom/de/doc/corpus/releases.html.md
index 04c7511..c55cecb 100644
--- a/templates/custom/de/doc/corpus/releases.html.md
+++ b/templates/custom/de/doc/corpus/releases.html.md
@@ -34,13 +34,13 @@
     Fassung einen Absatz "Eine frühere Ausgabe benötigt?" ergänzen.
 -->
 
-## DeReKo-KorAP-2026-II (voraussichtlich 15.09.2026)
+## DeReKo-KorAP-2026-II (Release am 14.09.2026 ab 10 Uhr)
 
 DeReKo-KorAP-2026-II ist eine auf Grundlage von DeReKo-2026-I vollständig
 neu tokenisierte, annotierte und indexierte Ausgabe. Sie umfasst
 31.696.255.957 Tokens aus 95.565.305 Texten.
 
-Die Ausgabe wird voraussichtlich am 15.09.2026 offiziell veröffentlicht. Bis dahin ist
+Die Ausgabe wird am 14.09.2026 offiziell veröffentlicht. Bis dahin ist
 sie bereits unter
 [korap.ids-mannheim.de/instance/test-docker](https://korap.ids-mannheim.de/instance/test-docker)
 verfügbar.
diff --git a/templates/custom/doc/citation.html.ep b/templates/custom/doc/citation.html.ep
index e8175c7..c15953f 100644
--- a/templates/custom/doc/citation.html.ep
+++ b/templates/custom/doc/citation.html.ep
@@ -2,4 +2,4 @@
 
 %= page_title
 
-%= include 'partial/citation'
+%= include 'partial/citation', corpus_citation => 'custom/partial/citation/corpus'
diff --git a/templates/custom/doc/corpus/releases.html.md b/templates/custom/doc/corpus/releases.html.md
index a1401ef..b27ad17 100644
--- a/templates/custom/doc/corpus/releases.html.md
+++ b/templates/custom/doc/corpus/releases.html.md
@@ -32,13 +32,13 @@
     "Need an earlier release?" paragraph here and in the German version.
 -->
 
-## DeReKo-KorAP-2026-II (expected 2026-09-15)
+## DeReKo-KorAP-2026-II (to be released on 2026-09-14, starting at 10:00)
 
 DeReKo-KorAP-2026-II is a completely re-tokenised, re-annotated and re-indexed
 release based on DeReKo-2026-I. It comprises 31,696,255,957 tokens from
 95,565,305 texts.
 
-The official release is expected on 2026-09-15. Until then it is already available at
+The official release is expected on 2026-09-14. Until then it is already available at
 [korap.ids-mannheim.de/instance/test-docker](https://korap.ids-mannheim.de/instance/test-docker).
 
 ### Changed
diff --git a/templates/doc/navigation.json b/templates/doc/navigation.json
new file mode 100644
index 0000000..978ab67
--- /dev/null
+++ b/templates/doc/navigation.json
@@ -0,0 +1,167 @@
+[
+  {
+    "title": "Corpus",
+    "id": "corpus",
+    "class": "folded",
+    "items": [
+      {
+        "title": "releases",
+        "id": "releases"
+      },
+      {
+        "title": "composition",
+        "id": "composition"
+      },
+      {
+        "title": "useful_subcorpora",
+        "id": "useful_subcorpora"
+      },
+      {
+        "title": "named_vc",
+        "id": "named_vc"
+      }
+    ]
+  },
+  {
+    "title": "Query Languages",
+    "id": "ql",
+    "class": "folded",
+    "items": [
+      {
+        "title": "Cosmas II",
+        "id": "cosmas-2",
+        "class": "folded",
+        "items": [
+          {
+            "title": "Query Terms",
+            "id": "#queryterms"
+          },
+          {
+            "title": "Logical Operators",
+            "id": "#logical-operators"
+          },
+          {
+            "title": "Distance Operators",
+            "id": "#distance-operators"
+          }
+        ]
+      },
+      {
+        "title": "Poliqarp+",
+        "id": "poliqarp-plus",
+        "class": "folded",
+        "items": [
+          {
+            "title": "Simple Segments",
+            "id": "#segments"
+          },
+          {
+            "title": "Complex Segments",
+            "id": "#complex"
+          },
+          {
+            "title": "Span Segments",
+            "id": "#spans"
+          },
+          {
+            "title": "Paradigmatic Operators",
+            "id": "#paradigmatic-operators"
+          },
+          {
+            "title": "Syntagmatic Operators",
+            "id": "#syntagmatic-operators"
+          },
+          {
+            "title": "Class Operators",
+            "id": "#class-operators"
+          }
+        ]
+      },
+      {
+        "title": "CQP",
+        "id": "cqp",
+        "class": "folded",
+        "items": [
+          {
+            "title": "Simple Segments",
+            "id": "#segments"
+          },
+          {
+            "title": "Complex Segments",
+            "id": "#complex"
+          },
+          {
+            "title": "Span Segments",
+            "id": "#spans"
+          },
+          {
+            "title": "Paradigmatic Operators",
+            "id": "#paradigmatic-operators"
+          },
+          {
+            "title": "Syntagmatic Operators",
+            "id": "#syntagmatic-operators"
+          }
+        ]
+      },
+      {
+        "title": "Annis QL",
+        "id": "annis"
+      },
+      {
+        "title": "CQL",
+        "id": "cql"
+      },
+      {
+        "title": "FCSQL",
+        "id": "fcsql"
+      },
+      {
+        "title": "Regular Expressions",
+        "id": "regexp"
+      }
+    ]
+  },
+  {
+    "title": "Annotations",
+    "id": "annotation",
+    "class": "folded"
+  },
+  {
+    "title": "FAQ",
+    "id": "faq",
+    "class": "folded"
+  },
+  {
+    "title": "API",
+    "id": "api",
+    "class": "folded"
+  },
+  {
+    "title": "Development",
+    "id": "development",
+    "class": "folded",
+    "items": [
+      {
+        "title": "Kalamar",
+        "id": "kalamar"
+      },
+      {
+        "title": "Kustvakt",
+        "id": "kustvakt"
+      },
+      {
+        "title": "Koral",
+        "id": "koral"
+      },
+      {
+        "title": "Krill",
+        "id": "krill"
+      },
+      {
+        "title": "Karang",
+        "id": "karang"
+      }
+    ]
+  }
+]