diff --git a/static/index.html b/static/index.html
index 56d8c62..08bfe0c 100644
--- a/static/index.html
+++ b/static/index.html
@@ -61,7 +61,8 @@
         <div id="coords" class="coords-row"></div>
         <div class="attribution">
             Repeater data provided by <a href="https://radioid.net/database/dumps" target="_blank" rel="noopener">RadioID</a>.
-            Not affiliated with or endorsed by RadioID.<br>
+            Availability data by <a href="https://brandmeister.network" target="_blank" rel="noopener">BrandMeister</a>.
+            Not affiliated with or endorsed by RadioID or BrandMeister.<br>
             Geocoding by <a href="https://nominatim.openstreetmap.org" target="_blank" rel="noopener">Nominatim</a>.
             Routing by <a href="https://project-osrm.org" target="_blank" rel="noopener">OSRM</a>.
             Map by <a href="https://www.openstreetmap.org/copyright" target="_blank" rel="noopener">OpenStreetMap</a>.<br>