diff --git a/core/themes/engines/phptemplate/phptemplate.engine b/core/themes/engines/phptemplate/phptemplate.engine
index 718d460..5ce5a61 100644
--- a/core/themes/engines/phptemplate/phptemplate.engine
+++ b/core/themes/engines/phptemplate/phptemplate.engine
@@ -6,7 +6,10 @@
  */
 
 /**
- * Implements hook_init().
+ * Includes .theme file, which contains functions to support theming.
+ *
+ * @param stdClass $template
+ *   Theme template object.
  */
 function phptemplate_init($template) {
   $file = dirname($template->filename) . '/' . $template->name . '.theme';
diff --git a/core/themes/engines/twig/twig.engine b/core/themes/engines/twig/twig.engine
index 23e245c..263778f 100644
--- a/core/themes/engines/twig/twig.engine
+++ b/core/themes/engines/twig/twig.engine
@@ -23,7 +23,10 @@ function twig_extension() {
 }
 
 /**
- * Implements hook_init().
+ * Includes .theme file, whith contains functions to support theming.
+ *
+ * @param stdClass $template
+ *   Theme template object.
  */
 function twig_init($template) {
   $file = dirname($template->filename) . '/' . $template->name . '.theme';