diff --git a/lang/de.json b/lang/de.json
index 50d314cd..c52e8f57 100644
--- a/lang/de.json
+++ b/lang/de.json
@@ -12,6 +12,7 @@
     "main:options": "Optionen",
     "more": "mehr",
     "more_categories": "Mehr Kategorien",
+    "more_categories_gitea": "Erstelle und verbessere Kategorien hier!",
     "open": "geöffnet",
     "options:data_lang": "Datensprache",
     "options:data_lang:local": "Lokale Sprache",
diff --git a/lang/en.json b/lang/en.json
index 08e8bf46..8bb7dfe5 100644
--- a/lang/en.json
+++ b/lang/en.json
@@ -12,6 +12,7 @@
     "main:options": "Options",
     "more": "more",
     "more_categories": "More categories",
+    "more_categories_gitea": "Create & improve categories yourself!",
     "open": "open",
     "options:data_lang": "Data language",
     "options:data_lang:desc": "Many map features have their name (and other tags) translated to different languages (e.g. with 'name:en', 'name:de'). Specify which language should be used for displaying, or 'Local language' so that always the untranslated value (e.g. 'name') will be used",
diff --git a/src/addCategories.js b/src/addCategories.js
index f478005f..261351a6 100644
--- a/src/addCategories.js
+++ b/src/addCategories.js
@@ -54,6 +54,14 @@ function addCategoriesShow (repo) {
       h.innerHTML = lang('more_categories')
       content.appendChild(h)
 
+      if (typeof repositoriesGitea === 'object' && repositoriesGitea.url) {
+        var a = document.createElement('a')
+        a.href = repositoriesGitea.url
+        a.target = '_blank'
+        a.innerHTML = lang('more_categories_gitea')
+        content.appendChild(a)
+      }
+
       list = weightSort(repoData, {
         key: 'timestamp',
         reverse: true
diff --git a/src/repositories.php b/src/repositories.php
index 07a47532..b14b12f4 100644
--- a/src/repositories.php
+++ b/src/repositories.php
@@ -57,3 +57,14 @@ function getRepo ($repoId, $repoData) {
 
   return $repo;
 }
+
+register_hook('init', function () {
+  global $repositoriesGitea;
+
+  if (isset($repositoriesGitea) && array_key_exists('url', $repositoriesGitea)) {
+    $d = array('repositoriesGitea' => array(
+      'url' => $repositoriesGitea['url'],
+    ));
+    html_export_var($d);
+  }
+});