diff --git a/libraries/joomla/application/web/client.php b/libraries/joomla/application/web/client.php
index c44017766a..cf08e9c5d7 100644
--- a/libraries/joomla/application/web/client.php
+++ b/libraries/joomla/application/web/client.php
@@ -12,6 +12,18 @@
 /**
  * Class to model a Web Client.
  *
+ * @property-read  integer  $platform        The detected platform on which the web client runs.
+ * @property-read  boolean  $mobile          True if the web client is a mobile device.
+ * @property-read  integer  $engine          The detected rendering engine used by the web client.
+ * @property-read  integer  $browser         The detected browser used by the web client.
+ * @property-read  string   $browserVersion  The detected browser version used by the web client.
+ * @property-read  array    $languages       The priority order detected accepted languages for the client.
+ * @property-read  array    $encodings       The priority order detected accepted encodings for the client.
+ * @property-read  string   $userAgent       The web client's user agent string.
+ * @property-read  string   $acceptEncoding  The web client's accepted encoding string.
+ * @property-read  string   $acceptLanguage  The web client's accepted languages string.
+ * @property-read  array    $detection       An array of flags determining whether or not a detection routine has been run.
+ *
  * @package     Joomla.Platform
  * @subpackage  Application
  * @since       12.1
diff --git a/libraries/joomla/crypt/key.php b/libraries/joomla/crypt/key.php
index 42162ea041..81fef16c6d 100644
--- a/libraries/joomla/crypt/key.php
+++ b/libraries/joomla/crypt/key.php
@@ -12,6 +12,8 @@
 /**
  * Encryption key object for the Joomla Platform.
  *
+ * @property-read  string  $type  The key type.
+ *
  * @package     Joomla.Platform
  * @subpackage  Crypt
  * @since       12.1
diff --git a/libraries/joomla/database/query.php b/libraries/joomla/database/query.php
index 762b41c4af..e795c8b735 100644
--- a/libraries/joomla/database/query.php
+++ b/libraries/joomla/database/query.php
@@ -12,6 +12,10 @@
 /**
  * Query Element Class.
  *
+ * @property-read    string  $name      The name of the element.
+ * @property-read    array   $elements  An array of elements.
+ * @property-read    string  $glue      Glue piece.
+ *
  * @package     Joomla.Platform
  * @subpackage  Database
  * @since       11.1