diff --git a/static/articles/grapheneos-servers.html b/static/articles/grapheneos-servers.html
index a458c0fe..08562184 100644
--- a/static/articles/grapheneos-servers.html
+++ b/static/articles/grapheneos-servers.html
@@ -275,21 +275,21 @@
                 <p>Domains:</p>
 
                 <ul>
-                    <li>grapheneos.network</li>
-                    <li>connectivitycheck.grapheneos.network</li>
+                    <li>grapheneos.network - HTTP/HTTPS connectivity checks</li>
+                    <li>connectivitycheck.grapheneos.network - HTTP/HTTPS connectivity checks</li>
                     <li>www.grapheneos.network</li>
-                    <li>grapheneos.online</li>
-                    <li>connectivitycheck.grapheneos.online</li>
+                    <li>grapheneos.online - HTTP/HTTPS connectivity checks</li>
+                    <li>connectivitycheck.grapheneos.online - HTTP/HTTPS connectivity checks</li>
                     <li>www.grapheneos.online</li>
-                    <li>connectivitycheck.grapheneos.org (legacy)</li>
-                    <li>connectivity.grapheneos.org (legacy)</li>
+                    <li>connectivitycheck.grapheneos.org (legacy) - HTTP/HTTPS connectivity checks</li>
+                    <li>connectivity.grapheneos.org (legacy) - HTTP/HTTPS connectivity checks</li>
                     <li>mta-sts.grapheneos.network</li>
                     <li>mta-sts.grapheneos.online</li>
-                    <li>google.psds.grapheneos.org (legacy)</li>
-                    <li>broadcom.psds.grapheneos.org</li>
-                    <li>remoteprovisioning.grapheneos.org</li>
-                    <li>time.grapheneos.org</li>
-                    <li>supl.grapheneos.org</li>
+                    <li>google.psds.grapheneos.org (legacy) - HTTPS Broadcom PSDS data cache</li>
+                    <li>broadcom.psds.grapheneos.org - HTTPS Broadcom PSDS data cache</li>
+                    <li>remoteprovisioning.grapheneos.org - HTTPS reverse proxy to remoteprovisioning.google.com</li>
+                    <li>time.grapheneos.org - HTTPS time server with millisecond precision X-Time header</li>
+                    <li>supl.grapheneos.org - TLS reverse proxy to supl.google.com</li>
                 </ul>
 
                 <p>IPs:</p>