--- a/editor/include/editing.inc.php
+++ b/editor/include/editing.inc.php
@@ -4,7 +4,7 @@
 * @return string
 */
 function email_header($header) {
-	// iconv_mime_encode requires PHP 5, imap_8bit requires IMAP extension
+	// iconv_mime_encode requires iconv, imap_8bit requires IMAP extension
 	return "=?UTF-8?B?" . base64_encode($header) . "?="; //! split long lines
 }