diff --git a/includes/common.inc b/includes/common.inc
index 6c3cefe..d79ed2e 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -1790,6 +1790,8 @@ function drupal_add_link($attributes) {
  *   the site, or used in the theme.
  * @return
  *   An array of CSS files.
+ *
+ * @see drupal_get_css()
  */
 function drupal_add_css($path = NULL, $type = 'module', $media = 'all', $preprocess = TRUE) {
   static $css = array();
@@ -1837,6 +1839,8 @@ function drupal_add_css($path = NULL, $type = 'module', $media = 'all', $preproc
  *   stylesheets array is used instead.
  * @return
  *   A string of XHTML CSS tags.
+ *
+ * @see drupal_add_css()
  */
 function drupal_get_css($css = NULL) {
   $output = '';