diff --git a/install/debian/nginx.conf b/install/debian/nginx.conf
index 19e4a7546..cd2c70dfd 100644
--- a/install/debian/nginx.conf
+++ b/install/debian/nginx.conf
@@ -68,7 +68,7 @@ http {
     proxy_buffers       32 4k;
 
 
-    # Cloudflare
+    # Cloudflare https://www.cloudflare.com/ips
     set_real_ip_from   199.27.128.0/21;
     set_real_ip_from   173.245.48.0/20;
     set_real_ip_from   103.21.244.0/22;
diff --git a/install/rhel/nginx.conf b/install/rhel/nginx.conf
index fa5ff117b..10a556ea3 100644
--- a/install/rhel/nginx.conf
+++ b/install/rhel/nginx.conf
@@ -68,7 +68,7 @@ http {
     proxy_buffers       32 4k;
 
 
-    # Cloudflare
+    # Cloudflare https://www.cloudflare.com/ips
     set_real_ip_from   199.27.128.0/21;
     set_real_ip_from   173.245.48.0/20;
     set_real_ip_from   103.21.244.0/22;
diff --git a/install/ubuntu/nginx.conf b/install/ubuntu/nginx.conf
index 6767e8ca7..5d5bd9013 100644
--- a/install/ubuntu/nginx.conf
+++ b/install/ubuntu/nginx.conf
@@ -68,7 +68,7 @@ http {
     proxy_buffers       32 4k;
 
 
-    # Cloudflare
+    # Cloudflare https://www.cloudflare.com/ips
     set_real_ip_from   199.27.128.0/21;
     set_real_ip_from   173.245.48.0/20;
     set_real_ip_from   103.21.244.0/22;