diff --git a/modules/comment/comment.pages.inc b/modules/comment/comment.pages.inc
index 7e88bff..482e3f2 100644
--- a/modules/comment/comment.pages.inc
+++ b/modules/comment/comment.pages.inc
@@ -23,8 +23,12 @@
  *   Some comments are replies to other comments. In those cases, $pid is the parent
  *   comment's cid.
  *
- * @return
- *   The rendered parent node or comment plus the new comment form.
+ * @return array
+ *   An associative array containing:
+ *   - An array for rendering the node or parent comment.
+ *     - comment_node: If the comment is a reply to the node.
+ *     - comment_parent: If the comment is a reply to another comment.
+ *   - comment_form: The comment form as a renderable array.
  */
 function comment_reply($node, $pid = NULL) {
   // Set the breadcrumb trail.