diff --git a/README.md b/README.md
index b0ca65d..286302c 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ For the cache to preserve its state should mount a volume /var/spool/squid as vo
 
 _If all hosts are down, squid stop_
 
-- supgethosts=https://www.google.com https://www.facebook.com https://www.orange.fr https://www.free.fr
+- supgethosts=https://www.google.com,https://www.facebook.com,https://www.orange.fr,https://www.free.fr
 
 _If ICAP server is down, squid stop_