diff --git a/lib/pico.php b/lib/pico.php
index 98371bb8857aa31c1b7eb61b01f4bff266681724..79511b954a87419d4449cc93bd1a3193c982c25f 100644
--- a/lib/pico.php
+++ b/lib/pico.php
@@ -302,8 +302,8 @@ class Pico {
 	 */
 	private function get_protocol()
 	{
-        // need to check if HTTPS is set and is not 'off' (and ISAPI/IIS 
-        // peculiarity)
+        // need to check if HTTPS is set and is not 'off' (a documented
+        // ISAPI/IIS peculiarity)
         if (isset($_SERVER['HTTPS']) && ($_SERVER['HTTPS'] !== 'off')) {
             $protocol = 'https';
         } else {