diff --git a/pages/common/iperf.md b/pages/common/iperf.md
index c2237a0ff..dadaf9c51 100644
--- a/pages/common/iperf.md
+++ b/pages/common/iperf.md
@@ -1,6 +1,7 @@
 # iperf
 
 > Measure network bandwidth between computers.
+> More information: <https://iperf.fr>.
 
 - Run on server: