diff --git a/templates/admin.html b/templates/admin.html
index 7416d3c..349080c 100644
--- a/templates/admin.html
+++ b/templates/admin.html
@@ -77,6 +77,11 @@
                 <button type="submit" name="action" value="save" class="btn btn-success">Speichern & Zur Kasse</button>
             </div>
         </form>
+        <div class="mt-4 text-center text-muted pb-4">
+            <small>Made with ♥️, marmalade and zero knowledge in <a href="https://kiel-sailing-city.de/"
+                    target="_blank">Kiel Strawberry City.</a><br>
+                Version: {{ version }}, Instanz: {{ instance_id[:8] }}...</small>
+        </div>
     </div>
     <script>
         if ('serviceWorker' in navigator) {
diff --git a/templates/landing.html b/templates/landing.html
index 7ae20e2..287750f 100644
--- a/templates/landing.html
+++ b/templates/landing.html
@@ -46,8 +46,10 @@
             <ul class="list-group shadow-sm" id="saved-instances-list">
             </ul>
         </div>
-        <div class="mt-5 text-muted">
-            <small>Version: {{ version }}</small>
+        <div class="mt-5 text-muted pb-4">
+            <small>Made with ♥️, marmalade and zero knowledge in <a href="https://kiel-sailing-city.de/"
+                    target="_blank">Kiel Strawberry City.</a><br>
+                Version: {{ version }}</small>
         </div>
     </div>
     <script>
diff --git a/templates/login.html b/templates/login.html
index 8b0fdf4..3dd0096 100644
--- a/templates/login.html
+++ b/templates/login.html
@@ -30,6 +30,11 @@
             <a href="{{ url_for('index', instance_id=instance_id) }}" class="btn btn-secondary w-100 mt-2">Zurück zur
                 Kasse</a>
         </form>
+        <div class="mt-4 text-center text-muted pb-4">
+            <small>Made with ♥️, marmalade and zero knowledge in <a href="https://kiel-sailing-city.de/"
+                    target="_blank">Kiel Strawberry City.</a><br>
+                Version: {{ version }}, Instanz: {{ instance_id[:8] }}...</small>
+        </div>
     </div>
     <script>
         if ('serviceWorker' in navigator) {