diff --git a/inc/drivers_ldap.php b/inc/drivers_ldap.php
index e59af74a..6e8c8089 100644
--- a/inc/drivers_ldap.php
+++ b/inc/drivers_ldap.php
@@ -180,14 +180,16 @@ class ldapDriver
   }
 
   /**
-    * Returns the result of the LDAP query
+    * Actually look up a user in the LDAP directory
+    * (this is the LDAP part of LDAP_check() below)
     *
     * @param string $filter The filter used to search entries
     * @param array $attributes Attributes to be returned
+    * @param string $username username to check
     * @param string $passwd password to check
     * @return array Contains selected attributes from all entries corresponding to the given filter
     */
-  function requestUser( $filter, $attributes=NULL, $username, $passwd) {
+  function requestUser( $filter, $attributes, $username, $passwd) {
     global $c;
 
     $entry=NULL;
diff --git a/inc/external-fetch.php b/inc/external-fetch.php
index 599470c7..b124f6e5 100644
--- a/inc/external-fetch.php
+++ b/inc/external-fetch.php
@@ -39,7 +39,7 @@ function create_external ( $path,$is_calendar,$is_addressbook )
   }
 }
 
-function fetch_external ( $bind_id, $min_age = '1 hour', $ua_string )
+function fetch_external ( $bind_id, $min_age, $ua_string )
 {
   if ( ! function_exists ( "curl_init" ) ) {
     dbg_error_log("external", "external resource cannot be fetched without curl, please install curl");