diff --git a/includes/users.php b/includes/users.php
index 0d46320..640beae 100644
--- a/includes/users.php
+++ b/includes/users.php
@@ -7,13 +7,16 @@ print "<ul style='list-style: none; margin-left: -40px;'>";
 foreach (glob("/home/*") as $userpath) {
     if (is_dir("$userpath/public_html")) {
         $user = basename($userpath);
-        
+
+        // Use @ to suppress warnings in case the user directory/files are not readable.
         $skeletonMatch = (@sha1_file($html_skel) === @sha1_file("$userpath/public_html/index.html"));
         $isEmptyPubhtml = (@count(@scandir("$userpath/public_html")) === 2); // 2 => "." and ".."
 
         if ($skeletonMatch || $isEmptyPubhtml) {
+            // If it matches the skeleton index.html or is empty, display without a link
             print "<li>~$user</li>\n";
         } else {
+            // Otherwise, link to the user's directory
             print "<li><a href='$site_root/~$user/'>~$user</a></li>\n";
         }
     }