diff --git a/speedtest.htm b/speedtest.htm
index 6d957ba..0d3c3cf 100644
--- a/speedtest.htm
+++ b/speedtest.htm
@@ -1,6 +1,10 @@
 <!DOCTYPE html>
 <html>
   <head>
+    <!--
+      Author:  Franklin van de Meent (https://frankl.in)
+      Source:  https://github.com/fvdm/speedtest
+    -->
     <title>Speedtest</title>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <style>
