diff --git a/de.systopia.civiproxy/civiproxy.php b/de.systopia.civiproxy/civiproxy.php
index 56db51a..dd597d7 100644
--- a/de.systopia.civiproxy/civiproxy.php
+++ b/de.systopia.civiproxy/civiproxy.php
@@ -3,7 +3,7 @@
 require_once 'civiproxy.civix.php';
 
 /**
- * POC email
+ * In outgoing emails, replace the various resources and trackers with proxied versions
  */
 function civiproxy_civicrm_alterMailParams( &$params, $context ) {
   // check if the proxy is enabled